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Spectral line of hydrogen state transition in UHF radio frequencies
The hydrogen line, 21 centimeter line, or H I line is a spectral line that is created by a change in the energy state of solitary, electrically neutral
Hydrogen_line
Important atomic emission spectra
The emission spectrum of atomic hydrogen has been divided into a number of spectral series, with wavelengths given by the Rydberg formula. These observed
Hydrogen_spectral_series
Deep-red spectral line of hydrogen
Hydrogen-alpha, typically shortened to H-alpha or Hα, is a deep-red visible spectral line of the hydrogen atom with a wavelength of 656.28 nm in air and
Hydrogen-alpha
Chemical element with atomic number 1 (H)
hydrogen is a gas of diatomic molecules with the formula H2, called dihydrogen, or sometimes hydrogen gas, molecular hydrogen, or simply hydrogen. Dihydrogen
Hydrogen
Device used as a frequency standard
A hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve
Hydrogen_maser
Procedures for safe production, handling and use of hydrogen
Hydrogen safety covers the safe production, handling and use of hydrogen, particularly hydrogen gas fuel and liquid hydrogen. Hydrogen possesses the NFPA
Hydrogen_safety
Train transporting or using hydrogen
includes hydrogen trains, zero-emission multiple units, or ZEMUs—generic terms describing rail vehicles, large or small, which use on-board hydrogen fuel
Hydrogen_train
Distinctive narrow spectral feature of chemical species
Paschen series of hydrogen. At even longer wavelengths, the radio spectrum includes the 21-cm line used to detect neutral hydrogen throughout the cosmos
Spectral_line
Radio telescope at Jodrell Bank Observatory, Cheshire, England
steel surface so that the telescope could observe at the 21 cm (8.3 in) hydrogen line, which was discovered in 1951. Also, in February 1954 Lovell and the
Lovell_Telescope
Band of the electromagnetic spectrum
strongest hydroxyl radical spectral line radiates at 18 centimeters, and atomic hydrogen at 21 centimeters (the hydrogen line). These two molecules, which combine
Water_hole_(radio)
Correlation between luminosity and emission line width of spiral galaxies
and its asymptotic rotation velocity or emission line width. The line width of the 21cm hydrogen line is used to calculate the velocity dispersion of the
Tully–Fisher_relation
hydrogen. This hydrogen has yet to be observed, but there are experiments underway to detect the hydrogen line produced during this era. The hydrogen
Wouthuysen–Field_coupling
1960 SETI experiment
bandwidth with 4 kHz resolution. The spectrometer was centered on the 21 cm hydrogen line in the rest frame of each observed star. Ozma problem Shostak, Seth
Project_Ozma
Intermolecular attraction between a hydrogen donor-and-acceptor pair
for hydrogen bonding is Dn−H···Ac, where the solid line represents a polar covalent bond, and the three dots indicate the hydrogen bond. Hydrogen bond
Hydrogen_bond
Spiral galaxy in the constellation Canes Venatici
850 million times the mass of the Sun. Radio observations at the 21-cm hydrogen line show the gaseous disk of M63 extends outward to a radius of 130,000
Messier_63
American scientist
under Edward M. Purcell, he was the first to detect the galactic 21-cm hydrogen line. Ewen was born on March 5, 1922, in Chicopee, Massachusetts, son of
Harold_Irving_Ewen
which allowed anyone to have an inexpensive unit able to detect the hydrogen line. Together with a shortwave receiver to get the needed IF gain and frequency
The European Radio Astronomy Club
The_European_Radio_Astronomy_Club
Topics referred to by the same term
malignancy ("blood cancer") Hotline, a telecommunications link Hydrogen line, a spectral line Hypotenuse Leg, a postulate of geometry HL, an amateur radio
HL
American astronomer (1928–2016)
dark matter. Measurements by other astronomers using 21 centimeter hydrogen line radio telescopes clinched the case. Honored during her lifetime for
Vera_Rubin
German spectroscopist (1841–1913)
photographic plates with a reduced layer of gelatin. He published on the hydrogen line in the spectrum of Nova Aurigae and in the spectrum of vacuum tubes
Victor_Schumann
Reduction in ductility of a metal exposed to hydrogen
Hydrogen embrittlement (HE), also known as hydrogen-assisted cracking or hydrogen-induced cracking (HIC), is a reduction in the ductility of a metal due
Hydrogen_embrittlement
Atom of the element hydrogen
A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral hydrogen atom contains a single positively charged proton in the
Hydrogen_atom
1977 radio signal detected as part of SETI
frequency of 1420 megahertz (21-centimeter spectral line), which is naturally emitted by hydrogen, the most common element in the universe and therefore
Wow!_signal
Range of radio frequencies from 1-2 GHz
hydrogen (the hydrogen line, 1420 MHz), which is of great astronomical interest as a means of imaging the normally invisible neutral atomic hydrogen in
L_band
Chemical compound
Hydrogen peroxide is a chemical compound with the formula H2O2. In its pure form, it is a very pale blue liquid; however, at lower concentrations, it appears
Hydrogen_peroxide
Hydrogen spectral series
is one of a set of six named series describing the spectral line emissions of the hydrogen atom. The Balmer series is calculated using the Balmer formula
Balmer_series
Electricity-induced chemical reaction
electricity to convert liquid water (H2O) into gaseous hydrogen (H 2) and oxygen (O 2). The hydrogen produced by electrolysis can be used as fuel or as an
Electrolysis_of_water
Radio telescope under construction in Brazil
telescope currently under construction that will observe redshifted hydrogen line emission (between z = 0.13 and 0.45) by intensity mapping to measure
BINGO_(telescope)
Poisonous and flammable gas
Hydrogen sulfide (preferred IUPAC name and American English) or hydrogen sulphide (Commonwealth English) is a chemical compound with the formula H2S. It
Hydrogen_sulfide
Research facility in British Columbia, Canada
spectrometer may also be employed at 1420 MHz for study of the 21-cm hydrogen line. Maps of the sky are formed using the technique of aperture synthesis
Dominion Radio Astrophysical Observatory
Dominion_Radio_Astrophysical_Observatory
Dwarf galaxy in the constellation Ursa Major
astronomer William Herschel. It has a luminosity class of V and has a large hydrogen line. "An archetypal dwarf galaxy". Picture of the Week. ESA/Hubble. Retrieved
NGC_5477
Galaxy in the constellation Dorado
galaxy NGC 1602, lying at a distance of 3.1 arcminutes. Hydrogen gas, as imaged in the hydrogen line (HI), has been found in an area around both galaxies
NGC_1596
Galaxy in the constellation Lepus
arms have many knots. Imaging in the hydrogen line shows the presence of a narrow but bright ring. The hydrogen ring is more prominent at the eastern
NGC_1784
Large-scale radio astronomy survey
with the radio galaxies, or lie along the line of sight by chance, absorb radio waves at the hydrogen line absorption wavelength of 21 cm, but because
First Large Absorption Survey in HI
First_Large_Absorption_Survey_in_HI
Motor vehicle
The BMW Hydrogen 7 is a limited production hydrogen internal combustion engine vehicle built from 2005 to 2007 by German automobile manufacturer BMW.
BMW_Hydrogen_7
Chemical compound
The compound hydrogen chloride has the chemical formula HCl and as such is a hydrogen halide. At room temperature, it is a colorless gas, which forms white
Hydrogen_chloride
Dimensionless number that quantifies the strength of the electromagnetic interaction
experiments, were thallium, lithium, and hydrogen. ... It may be noted, that in [the] case of the red hydrogen line, the interference phenomena disappeared
Fine-structure_constant
Galaxy in the constellation Coma Berenices
wavelength Hydrogen line, NGC 4921 was found to be strongly H I deficient, indicating that it is low in hydrogen. The distribution of hydrogen has also
NGC_4921
Phase of hydrogen
Metallic hydrogen is a phase of hydrogen in which it behaves like an electrical conductor. This phase was predicted in 1935 on theoretical grounds by
Metallic_hydrogen
Galaxy in the constellation Horologium
knots. A large cluster or OB association is visible at its western end. Hydrogen line mapping shows a central compact disk with bright emission with a radius
IC_1954
Radio telescope observatory in New South Wales, Australia
cooled at −200 °C (−328.0 °F; 73.1 K) for the 21-centimetre (8.3 in) Hydrogen line. H-OH receiver (Replaced now by UWL) GALILEO receiver (Replaced now
Parkes_Observatory
Formula for spectral line wavelengths in alkali metals
generalization of the Balmer series for all atomic electron transitions of hydrogen. It was first empirically stated in 1888 by the Swedish physicist Johannes
Rydberg_formula
Galaxy in the constellation Centaurus
arms emerge from the ring. The kinematics and hydrogen distribution of the galaxy as observed in hydrogen line appear relatively normal. The star formation
NGC_4930
Chemical compound
Hydrogen deuteride is an isotopologue of dihydrogen composed of two isotopes of hydrogen: the majority isotope 1H (protium) and 2H (deuterium). Its proper
Hydrogen_deuteride
Galaxy in the constellation Pegasus
forming regions which emit H-alpha, matching both the ultraviolet and hydrogen line emissions, and star formation was likely triggered by the interaction
NGC_7806
the Dark Ages (LEDA) is designed to detect the spectrum of the 21 cm Hydrogen line from the Intergalactic Medium (IGM) at redshifts of 15–30, when the
Large Aperture Experiment to Detect the Dark Ages
Large_Aperture_Experiment_to_Detect_the_Dark_Ages
of South Africa. The array is designed to measure red-shifted 21-cm hydrogen line emission on large angular scales, in order to map out the baryon acoustic
Hydrogen Intensity and Real-time Analysis eXperiment
Hydrogen_Intensity_and_Real-time_Analysis_eXperiment
Chemical compound
Hydrogen cyanide (also called prussic acid) is a chemical compound with the formula HCN and structural formula H−C≡N. It is a highly toxic and flammable
Hydrogen_cyanide
Spectral line of hydrogen in the Lyman series
Lyman-alpha, typically denoted by Ly-α or Lyα, is a spectral line of hydrogen (or, more generally, of any one-electron atom) in the Lyman series. A photon
Lyman-alpha
Radio telescope in Portugal
observations of high frequencies up to 22 GHz. It is used to observe the hydrogen line from our galaxy and maser signals from star-forming regions and late
São_Gião_Radio_Telescope
Galaxy in the constellation Dorado
4 arcminutes across as imaged in the hydrogen line with an estimated total mass of (2.5±0.1)×109 M☉. The hydrogen imaging shows two tidal tails, one to
NGC_1602
Theoretical cosmological structure
observations of line emission from neutral atomic hydrogen (known, in astronomical parlance, as 21 cm Hydrogen line, H one, and H I line), show that the
Dark_matter_halo
Large self-illuminated object in space
classified from A to Q based on the strength of the hydrogen line. It was thought that the hydrogen line strength was a simple linear function of temperature
Star
wavelength), bandwidth 4 MHz. Used for Hydrogen Line studies of nearby galaxies and produced the first good radio maps of hydrogen distribution (as a function of
Half-Mile_Telescope
Proposed concept lunar orbiter
detecting redshifted line emissions from the earliest neutral hydrogen atoms, formed post-Cosmic Dawn. Emissions from these neutral hydrogen atoms, characterized
Dark_Ages_Radio_Explorer
Massive elliptical galaxy in the constellation Hercules
February 19, 2010 by the Lick Observatory. It was classified as a weak hydrogen line Type II supernova (abbreviated as SNIIb), and is believed to be similar
UGC_10143
Component of the Space Shuttle launch vehicle
component of the Space Shuttle launch vehicle that contained the liquid hydrogen fuel and liquid oxygen oxidizer. During lift-off and ascent it supplied
Space_Shuttle_external_tank
Void between celestial bodies
particle densities, constituting a near-perfect vacuum of predominantly hydrogen and helium plasma, permeated by electromagnetic radiation, cosmic rays
Outer_space
Hydrogen fuel cell electric train type
The Namo Green Rail is a Hydrogen Train based on hydrogen fuel cell electric multiple unit (EMU) train type developed by the state-owned Integral Coach
Namo_Green_Rail
Isotope of hydrogen with one neutron
Deuterium (hydrogen-2, symbol 2H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen; the other is protium, or hydrogen-1, 1H. The
Deuterium
Excited atomic quantum state with high principal quantum number (n)
such a radio recombination line (RRL) was by Soviet radio astronomers in 1964; the line, designated H90α, was emitted by hydrogen atoms in the n = 90 state
Rydberg_atom
Measure of the level of acidity or basicity of an aqueous solution
aqueous solutions. Acidic solutions (solutions with higher concentrations of hydrogen (H+) cations) are measured to have lower pH values than basic or alkaline
PH
Chemical compound
Triatomic hydrogen or H3 is an unstable triatomic molecule containing only hydrogen. Since this molecule contains only three atoms of hydrogen it is the
Triatomic_hydrogen
Star in the constellation Camelopardalis
rapidly than indicated. Outbursts of hydrogen emission lines have been observed, as well as rapid changes in hydrogen line profiles. It is 25 million years
11_Camelopardalis
Drum machine software
Hydrogen is an open-source drum machine created by Alessandro Cominu, an Italian programmer who goes by the pseudonym Comix. Its main goal is to provide
Hydrogen_(software)
Atomic model introduced by Niels Bohr in 1913
model of the hydrogen atom, compared to the valence shell model. As a theory, it can be derived as a first-order approximation of the hydrogen atom using
Bohr_model
Galaxy in the constellation of Virgo
Group, also known as LGG 386. No companion galaxies are visible in hydrogen line or optical observations. UGC 9385, another member of the group, lies
NGC_5701
Government research programme
Intensity at high-Z from Marion (PRIZM), searching for signatures of the hydrogen line in the early universe. There are other global experiments looking for
South African National Antarctic Programme
South_African_National_Antarctic_Programme
Star in the constellation Canes Venatici
star has a stellar classification of A9 II mF2, which indicates the hydrogen line matches an A-type bright giant but the metal lines are closer to an
20_Canum_Venaticorum
Public transportation system in Kuching, Sarawak
that the LRT will use hydrogen fuel cell rolling-stock with a travel speed of 70–140km/h. The hydrogen fuel cell trains were in line with the state government's
Kuching Urban Transportation System
Kuching_Urban_Transportation_System
Chemical compound
hydrogen fluoride, it attacks glass, but can be stored in containers lined with PTFE (Teflon). Fluoroantimonic acid is formed by combining hydrogen fluoride
Fluoroantimonic_acid
History and future of the universe
occasionally released by neutral hydrogen atoms, known as the 21 cm spin line of neutral hydrogen. The hydrogen spin line is in the microwave range of frequencies
Chronology_of_the_universe
Celestial coordinate system in spherical coordinates, with the Sun as its center
system in reference to radio observations of galactic neutral hydrogen through the hydrogen line, changing the definition of the Galactic longitude by 32°
Galactic_coordinate_system
Aperture synthesis interferometer in the Netherlands
large scale surveys of the northern sky, bringing back focus on the Hydrogen line for which it was originally designed, but also large pulsar searches
Westerbork Synthesis Radio Telescope
Westerbork_Synthesis_Radio_Telescope
Device that converts the chemical energy from a fuel into electricity
electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair
Fuel_cell
Galaxy in the constellation Coma Berenices
in the radio continuum of NGC 4565 that is reminiscent of a neutral hydrogen line (HI) warp and identifying a slight flaring of the galaxy's radio halo
NGC_4565
Matter and radiation in the space between the star systems in a galaxy
medium produces most of the 21-cm line emission from hydrogen detected by radio telescopes, although atomic hydrogen in the cold neutral medium also contributes
Interstellar_medium
Galaxy in the constellation Reticulum
ring was also detected in the hydrogen line, while the rest of the galaxy appears devoid of hydrogen. The total hydrogen mass of the galaxy is estimated
NGC_1543
Israeli astrophysicist
abundance of fast radio bursts, and using observations of the 21cm hydrogen line to characterize the size and brightness of the earliest galaxies. Fialkov
Anastasia_Fialkov
Random fluctuation in an electrical signal
8 MHz to 1.43 GHz, the latter frequency corresponding to the 21-cm hydrogen line. Apart from man-made noise, it is the strongest component over the range
Noise_(electronics)
Change in wavelength of light
over a single emission or absorption line. By measuring the broadening and shifts of the 21-centimeter hydrogen line in different directions, astronomers
Redshift
Galaxy in the constellation Ursa Major
galaxies (UGC 6923, UGC 6940 and UGC 6969) and possibly more. Detailed hydrogen line observations have been obtained from M109 and its satellites. M109's
Messier_109
Galaxy group in Ursa Major and Camelopardalis
the 21-centimeter hydrogen line indicate how the galaxies are connected. The gravitational interactions have stripped some hydrogen gas away from all
M81_Group
it; 1885 Johann Balmer finds a mathematical expression for observed hydrogen line wavelengths 1886 Eugen Goldstein produced anode rays; 1887 Heinrich
Timeline of atomic and subatomic physics
Timeline_of_atomic_and_subatomic_physics
Galaxy in the constellation Sextans
south of the galaxy is visible in radiowaves, in the hydrogen line. The total mass of hydrogen in the tail is estimated to be 108 M☉. At the end of the
NGC_3166
21 cm intensity mapping, the 21 cm emission line of neutral hydrogen is used to trace the gas. The hydrogen follows fluctuations in the underlying cosmic
Intensity_mapping
American astrophysicist
that hope to detect the redshifted hydrogen line from a time very early in the history of the universe when hydrogen was neutral, and by doing so study
Donald_C._Backer
Plot of thermodynamically stable phases of an aqueous electrochemical system
05916\,{\ce {pH}}} Below this line, water is reduced to hydrogen, and it will usually not be possible to pass beyond this line as long as there is still water
Pourbaix_diagram
Binary pulsar–neutron star system in the constellation Vulpecula
precisely with direct methods such as very-long-baseline interferometry or hydrogen line absorption, as it is too faint and distant. Double neutron star systems
PSR_J1946+2052
German WWII ground-based tracking radar
development of early radio astronomy, specifically the discovery of the hydrogen line and subsequent mapping of the spiral arms of our Milky Way Galaxy. German
Würzburg_radar
Chemical reaction
Hydrogen–deuterium exchange (also called H–D or H/D exchange) is a chemical reaction in which a covalently bonded hydrogen atom is replaced by a deuterium
Hydrogen–deuterium_exchange
Turbo generator with gaseous hydrogen as a coolant
A hydrogen-cooled turbo generator is a turbo generator with gaseous hydrogen as a coolant. Hydrogen-cooled turbo generators are designed to provide a
Hydrogen-cooled turbo generator
Hydrogen-cooled_turbo_generator
Mass per unit area
square cm (cm2) along the line of sight in a particular direction, as derived from observations of e.g. the 21 cm hydrogen line or from observations of
Area_density
American astronomer (born 1936)
Woodrow Wilson / Biographical". My thesis project was to have been hydrogen-line interferometry, but when the first plans for a local oscillator system
Robert_Woodrow_Wilson
Directional radio antenna used in radio astronomy
Radio Quiet Zone Channel 37: 608 to 614 MHz The "Hydrogen line", also known as the "21 centimeter line": 1,420.40575177 MHz, used by many radio telescopes
Radio_telescope
Physical and chemical properties of pure water
abundant molecule in the universe (behind molecular hydrogen and carbon monoxide). Water molecules form hydrogen bonds with each other and are strongly polar
Properties_of_water
Parameters characterizing properties of our galaxy
rotation curve technically difficult until the discovery of the 21 cm hydrogen line in the 1930s. To confirm the rotation of our galaxy prior to this, in
Oort_constants
American astrophysicist
gas in the interstellar medium, primarily through observation of the hydrogen line. His role in this field is such that a conference at Arecibo Observatory
Carl_E._Heiles
triphenylmethyl radical. Johannes Rydberg refines the expression for observed hydrogen line wavelengths. January 5 – Physicist Dr Henry A. Rowland of Johns Hopkins
1900_in_science
Belgium-based industry group
The Hydrogen Council is a group of 140 leading energy, transport, industry, and investment companies that seeks to develop the hydrogen economy. It aims
Hydrogen_Council
travel, tourism, insurance
HYDROGEN LINE
HYDROGEN LINE
Boy/Male
Tamil
Line
Surname or Lastname
English
English : habitational name from places in Devon, Oxfordshire, and Wiltshire named Lynam, from Old English lÄ«n ‘flax’ + hÄm ‘homestead’ or hamm ‘enclosure hemmed in by water’.Irish : English surname adopted as an equivalent of Gaelic Ó Laidhghneáin (see Linehan).
Surname or Lastname
English
English : metronymic from Line 1.
Surname or Lastname
English
English : habitational name from any of various places, for example in Derbyshire, Dorset, and Suffolk, so called from Old English hol ‘hollow’, ‘sunken’ + brÅc ‘stream’. The name has probably absorbed the Dutch surname van Hoobroek, found in London in the early 17th century, and possibly a similar Low German surname (Holbrock or Halbrock). Several American bearers of the name in the 1880 census give their place of birth as Oldenburg or Hannover, Germany.This name was first taken to America by the brothers Thomas and John Holbrook, who emigrated to MA in the 17th century; their line can be traced back to Dundry, Somerset, England, in the first half of the 16th century. Other English bearers who started early lines of descent in the New World are Joseph Ho(u)lbrook of Warrington, Lancashire, who emigrated to MD as an indentured servant in the later 17th century; Randolph Holbrook, who was in VA in the 1720s but later returned to Nantwich, Cheshire; and Rev. John Holbrook, who emigrated from Handbury, Staffordshire, to NJ in about 1723. The spelling Haulbrook originated in GA in the 1870s, reflecting the southern U.S. pronunciation of the name.
Surname or Lastname
English
English : variant of Lingard.French : occupational name for a maker of or dealer in linen goods, from Old French linge ‘linen (goods)’ (see Linge 1).
Surname or Lastname
English
English : variant spelling of Ling 1.Norwegian : habitational name from any of several farmsteads in western Norway named with lyng ‘heather’, either on its own, or with the addition of vin ‘meadow’.Dutch (de Linge) and North German : habitational name from a place named with Old Low German linge ‘strip of land or water’, or possibly with the river name Linge (this river flows through the Betuwe). See also Lingen.Possibly French, from a metonymic occupational name from linge ‘linen goods’, but there is no evidence of surname in North America.
Surname or Lastname
English
English : variant of Lind 2 and Line 1.Irish : variant of Lane 2.Scottish : habitational name from places so named in Ayrshire, Peebles-shire, and Wigtownshire.
Surname or Lastname
English
English : metonymic occupational name for a dresser of flax, from Middle English lynet, lynt ‘flax’.Dutch : from a short form of a Germanic name formed with lind (see Linde 1).Dutch : metonymic occupational name for a linen weaver or merchant.
Female
French
French feminine form of Roman Cælinus, CÉLINE means "heaven."
Surname or Lastname
English
English : metronymic from Line.
Surname or Lastname
English
English : from the Norman personal name Huard, Heward, composed of the Germanic elements hug ‘heart’, ‘mind’, ‘spirit’ + hard ‘hardy’, ‘brave’, ‘strong’.English : from the Anglo-Scandinavian personal name HÄward, composed of the Old Norse elements há ‘high’ + varðr ‘guardian’, ‘warden’.English : variant of Ewart 2.Irish : see Fogarty.Irish (County Clare) surname adopted as an equivalent of Gaelic Ó hÃomhair, which was formerly Anglicized as O’Hure.The house of Howard, the leading family of the English Roman Catholic nobility, was founded by Sir William Howard or Haward of Norfolk (d. 1308). The family acquired the dukedom of Norfolk by marriage. The first duke of Norfolk of the Howard line was created earl marshal of England by Richard III in 1483, and this office has been held by his succeeding male heirs to the present day. They also hold the earldoms of Suffolk, Berkshire, Carlisle, and Effingham. Henry VIII’s fifth queen, Catherine Howard (?1520–42), was a niece of Thomas Howard, 3rd Duke of Norfolk. American Howards include the father and son John Eager Howard and Benjamin Chew Howard of Baltimore, MD, both MD politicians.
Girl/Female
Tamil
Gunrekha | கà¯à®¨à¯à®°à¯‡à®•à®¾
Useful lines of life
Gunrekha | கà¯à®¨à¯à®°à¯‡à®•à®¾
Female
English
Variant spelling of English Lynette, LINETTE means "little lake."
Boy/Male
Tamil
Simanta | ஸீமாஂநதாÂ
Parting line of hair
Simanta | ஸீமாஂநதாÂ
Surname or Lastname
English (chiefly Norfolk)
English (chiefly Norfolk) : habitational name from any of several places called Dunham, of which one is in Norfolk. Most are named from Old English dÅ«n ‘hill’ + hÄm ‘homestead’. A place in Lincolnshire now known as Dunholme appears in Domesday Book as Duneham and this too may be a source of the surname; here the first element is probably the Old English personal name Dunna.John Dunham (1590–1668) was a Puritan linen weaver who came to Plymouth, MA, via Leiden, Netherlands, in 1633. He had many prominent descendants.
Surname or Lastname
English
English : from the medieval female personal name Line, a reduced form of Cateline (see Catlin) and of various other names, such as Emmeline and Adeline, containing the Anglo-Norman French diminutive suffix -line (originally a double diminutive, composed of the elements -el and -in).French (Liné) : metonymic occupational name for a linen weaver or a linen merchant, from an Old French adjective liné ‘made of linen’.
Surname or Lastname
English
English : patronymic from the personal name Emery.The poet and essayist Ralph Waldo Emerson (1803–82) was born in Boston of a line on his father’s side that can be traced back through preachers to the first colonial generation. The name Emerson was brought over from England independently by various other people, including a Thomas Emerson who settled at Ipswich, MA, in about 1636.
Girl/Female
Tamil
Hansamala | ஹஂஸமாலா
A line, Row of swans
Hansamala | ஹஂஸமாலா
Surname or Lastname
English (East Anglia) and Jewish (Ashkenazic)
English (East Anglia) and Jewish (Ashkenazic) : metonymic occupational name for someone who grew, sold, or treated flax for weaving into linen cloth, from (respectively) Middle English flax, German Flachs.
Surname or Lastname
Irish
Irish : reduced Anglicized form of Gaelic Ó hAodha ‘descendant of Aodh’, a personal name meaning ‘fire’ (compare McCoy). In some cases, especially in County Wexford, the surname is of English origin (see below), having been taken to Ireland by the Normans.English : habitational name from any of various places, for example in Devon and Worcestershire, so called from the plural of Middle English hay ‘enclosure’ (see Hay 1), or a topographic name from the same word.English : habitational name from any of various places, for example in Dorset, Greater London (formerly in Kent and Middlesex), and Worcestershire, so called from Old English hǣse ‘brushwood’, or a topographic name from the same word.English : patronymic from Hay 3.French : variant (plural) of Haye 3.Jewish (Ashkenazic) : metronymic from Yiddish name Khaye ‘life’ + the Yiddish possessive suffix -s.U.S. President Rutherford B. Hayes (1822–1893), born in Delaware, OH, was descended from old New England families on both sides. Through the paternal line he was descended from George Hayes, who emigrated from Scotland in 1680 and settled in Windsor, CT.
HYDROGEN LINE
HYDROGEN LINE
HYDROGEN LINE
HYDROGEN LINE
HYDROGEN LINE
HYDROGEN LINE
HYDROGEN LINE
n.
Electricity.
n.
Carbureted hydrogen; also, a hydrocarbon.
v. t.
To deprive of, or free from, hydrogen.
n.
A compound of arsenic and hydrogen, AsH3, a colorless and exceedingly poisonous gas, having an odor like garlic; arseniureted hydrogen.
a.
Pertaining to, or containing, hydrogen; as, hydric oxide.
n.
A binary compound of hydrogen; a hydride.
a.
Composed of hydrogen and bromine; as, hydrobromic acid.
a.
Having five hydrogen atoms capable of substitution.
n.
Impregnating with sulphureted hydrogen gas.
n.
A liquor consisting of honey diluted in water, and after fermentation called mead.
n.
Antimony hydride, or hydrogen antimonide, a colorless gas produced by the action of nascent hydrogen on antimony. It has a characteristic odor and burns with a characteristic greenish flame. Formerly called also antimoniureted hydrogen.
a.
Formed by hydrogen and tellurium; as, hydrotelluric acid, or hydrogen telluride.
n.
A gaseous element, colorless, tasteless, and odorless, the lightest known substance, being fourteen and a half times lighter than air (hence its use in filling balloons), and over eleven thousand times lighter than water. It is very abundant, being an ingredient of water and of many other substances, especially those of animal or vegetable origin. It may by produced in many ways, but is chiefly obtained by the action of acids (as sulphuric) on metals, as zinc, iron, etc. It is very inflammable, and is an ingredient of coal gas and water gas. It is standard of chemical equivalents or combining weights, and also of valence, being the typical monad. Symbol H. Atomic weight 1.
n.
A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria.
n.
The act or process of freeing from hydrogen; also, the condition resulting from the removal of hydrogen.
v. t.
To combine with hydrogen; to treat with, or subject to the action of, hydrogen; to reduce; -- contrasted with oxidize.
a.
Combined with or containing antimony; as, antimoniureted hydrogen.
a.
Combined with hydrogen sulphide.
a.
Of or pertaining to hydrogen; containing hydrogen.
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