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Class of binary stars
X-ray binaries are a class of binary stars that are luminous in X-rays. The X-rays are produced by matter falling from one component, called the donor
X-ray_binary
Class of high-mass X-ray binaries
Be/X-ray binaries (BeXRBs or BeXBs) are a class of high-mass X-ray binaries that consist of a Be star and a neutron star. The neutron star is usually in
Be/X-ray_binary
Branch of astronomy that uses X-ray observation
X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects. X-radiation
X-ray_astronomy
Astronomical object emitting X-rays
variable stars and super soft X-ray sources), neutron star or black hole (X-ray binaries). Some Solar System bodies emit X-rays, the most notable being the
Astrophysical_X-ray_source
Galactic X-ray source in the constellation Cygnus that is very likely a black hole
of the source region" of occasional X-ray bursts lasting only for about 1 ms. Cygnus X-1 is a high-mass X-ray binary system located about 7,000 light-years
Cygnus_X-1
Class of astronomical objects that are X-ray sources
intensity. The X-ray periods range from as little as a fraction of a second to as much as several minutes. An X-ray pulsar is a type of binary star system
X-ray_pulsar
Collapsed core of a massive star
Intermediate-mass X-ray binary pulsars: a class of intermediate-mass X-ray binaries (IMXB), a pulsar with an intermediate mass star High-mass X-ray binary pulsars:
Neutron_star
Black hole formed by a collapsed star
(1 January 2015). "Chandra and XMM monitoring of the black hole X-ray binary IC 10 X-1". Monthly Notices of the Royal Astronomical Society. 446 (2): 1399–1410
Stellar_black_hole
System of two stars orbiting each other
hole. Probably the best known example of an X-ray binary is the high-mass X-ray binary Cygnus X-1. In Cygnus X-1, the mass of the unseen companion is estimated
Binary_star
Class of X-ray binary stars
X-ray bursters are one class of X-ray binary stars exhibiting X-ray bursts, periodic and rapid increases in luminosity (typically a factor of 10 or greater)
X-ray_burster
Astronomical objects
CXJ0110-7211 Vela X-1 4U 0352+309 Bursting Pulsar Vela Junior LMC N49 Intermediate-mass X-ray binary High-mass X-ray binaries Centaurus X-3 Circinus X-1 GX 301-2
List_of_neutron_stars
X-ray binary in the Whirlpool Galaxy
as RX J132943+47115, is a high-mass X-ray binary (HMXB) system in the constellation of Canes Venatici. The binary system is located in the Whirlpool Galaxy
M51-ULS-1
X-ray binaries in Large Magellanic Cloud
LMC X-3 is a high-mass X-ray binary (HMXB) system located in the Large Magellanic Cloud (LMC), a satellite galaxy of the Milky Way approximately 165,000
LMC_X-3
X-ray binary in Galaxy NGC 300
NGC 300 X-1 is a high mass X-ray binary system located in the spiral galaxy NGC 300, approximately 6 million light-years away in the constellation of
NGC_300_X-1
Two pulsars orbiting each other
exchanged between the bodies and produce X-ray light which can appear to pulsate, in a process called the X-ray binary stage. The flow of matter from one stellar
Binary_pulsar
Type of x-ray binary
Be–white dwarf X-ray binary systems (BeWDs) are a rare type of X-ray binary consisting of a white dwarf that accretes matter from a rapidly-rotating Be
Be–white dwarf X-ray binary system
Be–white_dwarf_X-ray_binary_system
Binary Star in the constellation Hercules
Hercules X-1 (Her X-1), also known as 4U1656+35, is a moderately strong X-ray binary source first studied by the Uhuru satellite. It is composed of a
Hercules_X-1
Satellite galaxy of the Milky Way
LMC X-ray binaries: LMC X-1, X-2, X-3, X-4 and A 0538–66 (detected by Ariel 5 at A 0538–66), LMC X-2 is the one that is a bright low-mass X-ray binary system
Large_Magellanic_Cloud
Ultraluminous x-ray binary
Swift J1727.8-1613 (also known as J1727) is a ultraluminous low-mass x-ray binary 8,800 light years (2,698 parsecs) away with an orbital period of about
Swift_J1727.8−1613
Closest gravitational singularities to Earth
Paradijs, J.; van den Heuvel, E.P.J. (July 2007), "A Catalogue of low-mass X-ray binaries in the Galaxy, LMC, and SMC (Fourth edition)", Astronomy and Astrophysics
List of nearest known black holes
List_of_nearest_known_black_holes
Astronomical X-ray source
Scorpius X-1 is a low-mass X-ray binary located roughly 9,000 light years away in the constellation Scorpius. Scorpius X-1 was the first extrasolar X-ray source
Scorpius_X-1
Astronomic function
}\ K^{3}}{2\pi G}}\left(1-e^{2}\right)^{3/2}.} If the accretor in an X-ray binary has a minimum mass that significantly exceeds the Tolman–Oppenheimer–Volkoff
Binary_mass_function
X-ray binaries in the Large Magellanic Cloud
LMC X-4 is an eclipsing high-mass X-ray binary (HMXB) pulsar system located in the Large Magellanic Cloud (LMC), a satellite galaxy of the Milky Way approximately
LMC_X-4
Stars with a supergiant luminosity class with a spectral type of K or M
have acquired it after reaching the red supergiant stage, perhaps through binary interaction. The cores of red supergiants are still rotating and the differential
Red_supergiant
X-ray Binary in the Large Magellanic Cloud
X-2 is a low-mass X-ray binary (LMXB) located in the Large Magellanic Cloud (LMC), a satellite galaxy of Milky Way. It is one of the five brightest X-ray
LMC_X-2
High mass X-ray binary in the constellation of Cygnus
Cygnus X-3 is a high-mass X-ray binary (HMXB), one of the stronger binary X-ray sources in the sky. It is often considered to be a microquasar, and it
Cygnus_X-3
Binary star in the constellation Circinus
Circinus X-1 is an X-ray binary star system that includes a neutron star. Observation of Circinus X-1 in July 2007 revealed the presence of X-ray jets normally
Circinus_X-1
Hypothetical types of stars
essentially a giant nucleon. Based on observations released by the Chandra X-Ray Observatory on 10 April 2002, two objects, named RX J1856.5−3754 and 3C
Exotic_star
Hypothetical early-universe star with a black hole core
carried away by convection. Analogous to active galactic nuclei and gamma-ray bursts, the rotation of the quasi-star alongside the poloidal magnetic fields
Quasi-star
Stellar classification
arXiv:astro-ph/0001295. Bibcode:2000MNRAS.315..543H. doi:10.1046/j.1365-8711.2000.03426.x. S2CID 18523597. Kaler, James B. (1997-03-27). Stars and Their Spectra: An
G-type_main-sequence_star
Dutch astrophysicist (born 1936)
X-ray binaries. Using the Chandra X-ray Observatory, Lewin and his graduate student David Pooley made extensive studies of supernovae and faint X-ray
Walter_Lewin
Star in the constellation Dorado
launched from the Johnston Atoll on October 29, 1968. LMC X-1 is a persistently luminous X-ray binary. In the 80s Hutchings et al. performed spectroscopic
LMC_X-1
Outermost layer of a star's atmosphere
of the Hertzsprung–Russell diagram. These coronae can be detected using X-ray telescopes. Some stellar coronae, particularly in young stars, are much
Stellar_corona
Type of large cool star
arXiv:astro-ph/0402326. Bibcode:2004MNRAS.350..365I. doi:10.1111/j.1365-2966.2004.07651.x. S2CID 15830460. Abia, C.; Palmerini, S.; Busso, M.; Cristallo, S. (2012)
Red_giant
Constellation in the northern celestial hemisphere
stars currently known. The constellation is also home to Cygnus X-1, a distant X-ray binary containing a supergiant and unseen massive companion that was
Cygnus_(constellation)
Scatter plot of stars showing the relationship of luminosity to stellar classification
(log g) on the y-axis, and the effective surface temperature (Teff) on the x-axis. In the spectroscopic H-R diagram, both axes are inverted such that both
Hertzsprung–Russell_diagram
Binary black hole-star systems in the constellation Triangulum
M33 X-7 is a black hole binary system in the Triangulum Galaxy. The system is made up of a stellar-mass black hole and a companion star. The black hole
M33_X-7
Hypothesized alternative to a black hole
Hawking radiation it creates.[citation needed] Astronomers search the sky for X-rays emitted by infalling matter to detect black holes. A gravastar would produce
Gravastar
Early stage in the process of star formation
for this identification. Video about the protostar V1647 Orionis and its X-ray emission (2004). Protostar outburst - HOPS 383 (2015). Protostar in Herbig-Haro
Protostar
Type of neutron star with a strong magnetic field
emission of high-energy electromagnetic radiation, particularly X-rays and gamma rays. The existence of magnetars was proposed in 1992 by Robert Duncan
Magnetar
Light from the stars
Google Books. Ray, Sidney (23 October 2015). Scientific Photography and Applied Imaging. CRC Press. ISBN 9781136094385 – via Google Books. Ray, Sidney (2015-10-23)
Starlight
Planet that is outside the Milky Way galaxy
orbiting the high-mass X-ray binary M51-ULS-1 in the Whirlpool Galaxy was announced. The planet was detected by eclipses of the X-ray source, which consists
Extragalactic_planet
Low-mass X-ray binary in Carina
Carinae, also known as 2S 0921-630, is a low-mass X-ray binary in the constellation Carina. X-ray observations have revealed that it has an extended
V395_Carinae
Topics referred to by the same term
X-ray star may refer to: Be/X-ray binary, a class of high-mass X-ray binaries that consist of a Be star and a neutron star X-ray binary, a class of binary
X-ray_star
Theoretical stellar remnant
planet Neutron Radio-quiet Pulsar Binary X-ray Magnetar Black hole Stellar black hole Supermassive black hole X-ray binary Burster SGR Hypothetical Blue dwarf
Black_dwarf
Type of x-ray source
IMBHs is the analogy of the X-ray spectra as scaled-up stellar mass black hole X-ray binaries. The spectra of X-ray binaries have been observed to go through
Ultraluminous_X-ray_source
Creation of chemical elements within stars
k_{r}} where kr is the reaction rate constant of each single elementary binary reaction composing the nuclear fusion process; k r = ⟨ σ ( v ) v ⟩ {\displaystyle
Stellar_nucleosynthesis
Binary star with an X-ray pulsar in the constellation Centaurus
Biswajit; Ali, Zulfikar (August 2011), "X-Ray Spectroscopy of the High-mass X-Ray Binary Pulsar Centaurus X-3 over Its Binary Orbit", The Astrophysical Journal
Centaurus_X-3
Pattern of stars recognized on Earth's night sky
asterisms that are formed from stars in more than one constellation. The Egyptian X is a large asterism which, like the Diamond of Virgo, is composed of a pair
Asterism_(astronomy)
Star system in the constellation Ursa Major
XTE J1118+480 is a low-mass X-ray binary in the constellation Ursa Major. It is a soft X-ray transient that most likely contains a black hole and is probably
XTE_J1118+480
Classification in astronomy
Exotic stars are hypothetical, but observations released by the Chandra X-Ray Observatory on April 10, 2002, detected two candidate strange stars, designated
Compact_object
High-mass X-ray binary
4U 1700−37 is one of the stronger binary X-ray sources in the sky, and is classified as a high-mass X-ray binary. It was discovered by the Uhuru satellite
4U_1700−37
Compact astronomical body
it is indeed a black hole. X-ray binaries are binary systems that emit significant amounts of X-ray radiation. These X-ray emissions result when a compact
Black_hole
Gas and dust surrounding a newly formed star
stars differ from the disks surrounding the primary components of close binary systems with respect to their size and temperature. Protoplanetary disks
Protoplanetary_disk
Rare star with tremendous luminosity and high rates of mass loss by stellar winds
AzV 65 AzV 76 AzV 78 AzV 367 Barbá 2-2 BP Crucis (Wray 977 or GX 301-2), binary with a pulsar companion. Cygnus OB2-12 HD 5291 (Sk 56) HD 32034 (R62 in
Hypergiant
Compact exotic star which forms matter consisting mostly of quarks
be strong evidence of a quark star. Observations released by the Chandra X-ray Observatory on April 10, 2002, detected two possible quark stars, designated
Quark_star
Star at the centre of the Solar System
were launched by NASA. This spacecraft was designed to observe gamma rays, X-rays and ultraviolet radiation from solar flares during a time of high solar
Sun
Stellar classification
growing evidence that K-type dwarf stars emit dangerously high levels of X-rays and far ultraviolet (FUV) radiation for considerably longer into their early
K-type_main-sequence_star
German trance music project
Cygnus X was a trance music project from Germany named after the X-ray binary star Cygnus X-1. It began as a collaboration between Matthias Hoffmann and
Cygnus_X_(group)
Topics referred to by the same term
children Binary-coded decimal, a method for encoding for decimal digits in binary sequences Binary star, a star system with two stars in it X-ray binary, a
Binary
Hypothetical hybrid star type
a binary system when one of the two stars goes supernova. Because no supernova is perfectly symmetric, and because the binding energy of the binary changes
Thorne–Żytkow_object
Hypothetical mechanism for extracting energy from rotating black holes
Gravitation, Freeman and Company, 1973. Williams, R. K. (1995). "Extracting X rays, Ύ rays, and relativistic e−e+ pairs from supermassive Kerr black holes using
Penrose_process
Transient x-ray binary system
mass) X-ray binary, abbreviated as LMXB and HMXB, respectively. X-ray bursters differ observationally from other X-ray transient sources (such as X-ray pulsars
X-ray_transient
Class of young variable stars
of large areas of starspot coverage, and they have intense and variable X-ray and radio emissions (approximately 1000 times that of the Sun). Many have
T_Tauri_star
Central region of the Sun
brightness by 1% every 100 million years. The high-energy photons (gamma rays) released in fusion reactions take indirect paths to the Sun's surface. According
Solar_core
Grouping of evolved cool luminous stars
assumptions.[citation needed] Red giant – Type of large cool star Mira – Binary star system in the constellation Cetus Mira variable – Type of variable
Asymptotic_giant_branch
Grouping of stars by similar metallicity
small ultra metal-poor star, slightly smaller than the Sun, found in a binary system of the spiral arms in the Milky Way. The discovery opens up the possibility
Stellar_population
Stellar classification
dwarfs. At certain masses or chemical makeups, or perhaps as a result of binary interactions, some of these lower-mass stars become unusually hot during
O-type_star
X-ray binary in the constellation Pegasus
MAXI J1820+070 is an X-ray binary system in the equatorial constellation of Ophiuchus. It was discovered in 2018, when it underwent a flare event, becoming
MAXI_J1820+070
Small patches of nebulosity associated with newly born stars
500 light-years) away from the Sun and is powered by a class I protostar binary. The bipolar jet is slamming into the surrounding medium at a velocity of
Herbig–Haro_object
planet Neutron Radio-quiet Pulsar Binary X-ray Magnetar Black hole Stellar black hole Supermassive black hole X-ray binary Burster SGR Hypothetical Blue dwarf
Lists of stars by constellation
Lists_of_stars_by_constellation
measured using a V-band filter in the UBV photometric system. Stars in binary systems (or other multiples) are listed by their total or combined brightness
List_of_brightest_stars
Type of star that is luminous, blue, and variable in brightness
S2CID 119227339. Nazé, Y.; Rauw, G.; Hutsemékers, D. (2012). "The first X-ray survey of Galactic luminous blue variables". Astronomy & Astrophysics. 538:
Luminous_blue_variable
Type of neutron star with beams of radiation
pulsars" (MSPs) had been found. MSPs are believed to be the end product of X-ray binaries. Owing to their extraordinarily rapid and stable rotation, MSPs can
Pulsar
X-ray binary
47 Tucanae X9 (also known as 47 Tuc X9) is an ultracompact low-mass X-ray binary (LMXB) located within the globular cluster 47 Tucanae (NGC 104), one of
47_Tucanae_X9
Star in the constellation Crux
BP Crucis (x-ray source GX 3012) is an X-ray binary system containing a blue hypergiant and a pulsar. BP Crucis is considered as the optical counterpart
BP_Crucis
Continuous band of stars that appears on plots of stellar color versus brightness
include uncertainty in the distance to stars and the presence of unresolved binary stars that can alter the observed stellar parameters. However, even perfect
Main_sequence
Hot, luminous star with a spectral type of A9 or earlier
type B5Ia UW Canis Majoris (UW CMa), two blue (O-type) supergiants in a binary system Zeta Puppis (Naos), a blue (O-type) supergiant, spectral type O4I(n)fp
Blue_supergiant
Supernova that ejects a large mass at unusually high velocity
AT2021lwx was published with an extremely strong emission from mid-infrared to X-ray wavelengths and an overall energy of 1.5×1046 joules. This object is not
Hypernova
Astrophysical limit on radiation from stars
times, resulting in short and highly intensive mass loss rates. Some X-ray binaries and active galaxies are able to maintain luminosities close to the Eddington
Eddington_luminosity
Visible star that is nearly aligned with Earth's axis of rotation
planet Neutron Radio-quiet Pulsar Binary X-ray Magnetar Black hole Stellar black hole Supermassive black hole X-ray binary Burster SGR Hypothetical Blue dwarf
Pole_star
Dutch astronomer (born 1940)
theory of binary star evolution, particularly the evolutionary pathways leading to compact binary systems such as X ray binaries and binary radio pulsars
Ed_van_den_Heuvel
Flow of gas ejected from the upper atmosphere of a star
their winds.[citation needed] Space portal Cosmic ray Cosmic wind Planetary wind Colliding-wind binary Pulsar wind nebula Galactic superwind Superwind Planetary
Stellar_wind
X-ray Binary in Globular Cluster Messier 10
M10-VLA1 is a variable low-mass X-ray binary in the globular cluster Messier 10 that is also a radio source, situated in the equatorial constellation of
M10-VLA1
Physical phenomenon of stars
system is an X-ray binary. A study in 2012 found that more than 70% of all massive stars exchange mass with a companion which leads to a binary merger in
Stellar_mass_loss
Changed position of star vs background
time, so the work is generally done only for sources like pulsars and X-ray binaries, where the radio emission is strong relative to the optical emission
Stellar_parallax
Main-sequence star of spectral type O
Plaskett's Star, a massive binary consisting of two O-class stars in orbit around each other and also one of the most massive binaries known. As of 2026, no
O-type_main-sequence_star
Constellation in the southern celestial hemisphere
accretion column and producing X-rays. Located 19,000 light-years away, QX Normae is an active low mass X ray binary composed of a neutron star and its
Norma_(constellation)
Langer, N.; Brocksopp, C. (2002). "Physical parameters of the high-mass X-ray binary 4U1700-37". Astronomy & Astrophysics. 392 (3): 909–920. arXiv:astro-ph/0207334
List of most massive neutron stars
List_of_most_massive_neutron_stars
Light emitted by the Sun
Sun does not emit much X radiation (solar X-rays), although it does emit such "hard radiations" as X-rays and even gamma rays during solar flares. The
Sunlight
Dim, low mass stars on the main sequence
Grant, S.; Gasman, D.; Henning, Th; Kamp, I.; Güdel, M.; Lagage, P. O.; Ray, T.; Vandenbussche, B.; Abergel, A.; Absil, O.; Argyriou, I. (July 2023)
Red_dwarf
Main sequence star that is more luminous and bluer than expected
found among field stars, as a result of close binary interaction. Since the fraction of close binaries increases with decreasing metallicity, blue stragglers
Blue_straggler
Astronomical category of stars
astronomy, the term iron star has been used for two observed types of star: Binary stars with highly variable emission and stellar spectral type Fe a blue
Iron_star
Star not gravitationally bound to any galaxy
then, several other anisotropies at other wavelengths – including blue and x-ray – have been detected with other space telescopes and they are now collectively
Intergalactic_star
Binary system in the constellation Aquila
GRS 1915+105 or V1487 Aquilae is an X-ray binary star system containing a main sequence star and a black hole. Transfer of material from the star to the
GRS_1915+105
Star in the constellation Norma
Norma X-2, is a high mass X-ray binary star system in the constellation Norma. It varies between apparent magnitudes of 16.19 and 16.31. The X-ray source
QV_Normae
X-ray emission source in the constellation Vela
X-1 is a pulsing, eclipsing high-mass X-ray binary (HMXB) system, associated with the Uhuru source 4U 0900-40 and the supergiant star HD 77581. The X-ray
Vela_X-1
Changes to stars over their lifespans
023009. S2CID 119190550. E. P. J. van den Heuvel (2004). "X-Ray Binaries and Their Descendants: Binary Radio Pulsars; Evidence for Three Classes of Neutron
Stellar_evolution
Hypothetical class of star that develops from a red dwarf
Revista Mexicana de Astronomía y Astrofísica. Vol. 22. pp. 46–49. CiteSeerX 10.1.1.692.5492. Adams, Fred C.; Laughlin, Gregory (1997). "A dying universe:
Blue_dwarf_(red-dwarf_stage)
SpaceDaily, "Record-Setting X-ray Jet Discovered", 30 November 2012 (accessed 4 December 2012) ESA, "Artist's impression of the X-ray binary XMMU J004243.6+412519"
List of the most distant astronomical objects
List_of_the_most_distant_astronomical_objects
X RAY-BINARY
X RAY-BINARY
Boy/Male
Scottish American Latin French German English
Grace.
Male
English
Short form of English Raymond, RAY means "wise protector."
Female
English
English name derived from the vocabulary word, GAY means "happy." Compare with masculine Gay.
Surname or Lastname
English
English : variant spelling of Ray 1–4.
Boy/Male
Hindu
Beam of light
Boy/Male
Indian, Telugu
Lord Ram
Female
Hebrew
(רֵעַ) Hebrew name RAYA means "friend." Compare with another form of Raya.
Boy/Male
American, British, Christian, Danish, English, Finnish, French, German, Gujarati, Hindu, Indian, Kannada, Latin, Malayalam, Marathi, Scottish, Swedish, Tamil, Telugu
Regal; Counsellor; Abbreviation of Raymond; Advice; Beam of Light; Grace; Well Advised Protector; Wise Protector; Dear Brook; Abbreviation of R
Boy/Male
Shakespearean
Henry VI, Part 2' Lord Say.
Girl/Female
Scandinavian American
Doe.
Boy/Male
American, Australian, British, Christian, English, German
Gray-haired
Female
English
 English name derived from the vocabulary word, DAY means "day." Feminine form of Middle English Daye, meaning "day."
Male
Scandinavian
 Variant spelling of Scandinavian Kai, CAY means "lord." Compare with another form of Cay.
Girl/Female
American, German, Hebrew, Latin, Scandinavian
Female Sheep; Ewe; Nickname of Rachel
Girl/Female
Australian, Christian
Sunshine; Bright; Day
Boy/Male
English Teutonic Biblical Sanskrit
Ram.
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : nickname denoting someone who behaved in a regal fashion or who had earned the title in some contest of skill or by presiding over festivities, from Old French rey, roy ‘king’. Occasionally this was used as a personal name.English : nickname for a timid person, from Middle English ray ‘female roe deer’ or northern Middle English ray ‘roebuck’.English : variant of Rye (1 and 2).English : habitational name, a variant spelling of Wray.Scottish : reduced and altered form of McRae.French : from a noun derivative of Old French raier ‘to gush, stream, or pour’, hence a topographic name for someone who lived near a spring or rushing stream, or a habitational name from a place called Ray.Indian : variant of Rai.
Male
Hebrew
 Variant spelling of Hebrew Rav, RAB means "great" or "teacher." Compare with another form of Rab.
Female
English
English name, possibly derived from the vocabulary word ray, RAE means "sunbeam."
Male
English
Variant spelling of English Ray, RAE means "wise protector."Â
X RAY-BINARY
X RAY-BINARY
Boy/Male
Hindu, Indian, Punjabi, Sikh
Lover of God
Girl/Female
Tamil
Very bright, Sun like glow
Male
Swedish
 Swedish form of Old Norse Róðgeirr, RODGER means "famous spear." Compare with another form of Rodger.
Boy/Male
Arabic, Muslim, Urdu
Preserved; Safe
Girl/Female
Arabic, Muslim
Small Arrow
Boy/Male
Muslim
Precocious, Early coming
Girl/Female
Australian, German, Hawaiian, Hebrew
Devoted to God
Boy/Male
Tamil
Subramani | ஸà¯à®ªà¯à®°à®®à®£à®¿
Lord Murugan
Male
Yiddish
(עֶלְיָ×) Variant spelling of Yiddish Elya, ELYE means "the Lord is my God."
Boy/Male
English
Thaw.
X RAY-BINARY
X RAY-BINARY
X RAY-BINARY
X RAY-BINARY
X RAY-BINARY
n.
Faith; as, by my fay.
n.
The merrymaking of May Day.
n.
One of a number of lines or parts diverging from a common point or center, like the radii of a circle; as, a star of six rays.
n.
Right of way. See below.
n.
In a restricted sense, any of the broad, flat, narrow-tailed species, as the skates and sting rays. See Skate.
n.
A species of armadillo of the genus Xenurus (X. unicinctus and X. hispidus); the tatouay.
n.
Length of space; distance; interval; as, a great way; a long way.
v. i.
To shine, as with rays.
n.
One of the component elements of the total radiation from a body; any definite or limited portion of the spectrum; as, the red ray; the violet ray. See Illust. under Light.
superl.
Gray-haired; gray-headed; of a gray color; hoary.
n.
One of a system of diverging lines passing through a point, and regarded as extending indefinitely in both directions. See Half-ray.
superl.
Not distilled; as, raw water
n.
A line of light or heat proceeding from a radiant or reflecting point; a single element of light or heat propagated continuously; as, a solar ray; a polarized ray.
superl.
Not tanned; as, raw hides
v. i.
To take a position; to come or go; as, to lay forward; to lay aloft.
a.
Of or pertaining to the laity, as distinct from the clergy; as, a lay person; a lay preacher; a lay brother.
v. i.
To lay snares for rabbits.
adv.
Crosswise; in the form of an X.
n.
A symbol representing ten units, as 10, x, or X.
n.
To send forth or shoot out; to cause to shine out; as, to ray smiles.