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Two-pass global illumination rendering algorithm
In computer graphics, photon mapping is a two-pass global illumination rendering algorithm developed by Henrik Wann Jensen between 1995 and 2001 that approximately
Photon_mapping
Computer graphics method
Metropolis light transport, and ways of combining path tracing with photon mapping. Video games often use biased versions of path tracing to improve performance
Path_tracing
Producing images of 3D scenes
photon mapping, tracing rays from the light source and the camera separately, and then finding ways to connect these paths (but unlike photon mapping
Rendering_(computer_graphics)
Simulation of light in computer graphics
Illumination using Photon Maps Archived 2008-08-08 at the Wayback Machine" (PDF). Rendering Techniques ’96: 21–30. "Photon Mapping - Zack Waters". web
Computer_graphics_lighting
Rendering method
such as ray casting, recursive ray tracing, distribution ray tracing, photon mapping and path tracing, are generally slower and higher fidelity than scanline
Ray_tracing_(graphics)
Group of rendering algorithms used in 3D computer graphics
tracing, cone tracing, path tracing, Metropolis light transport and photon mapping are all examples of algorithms used for global illumination in offline
Global_illumination
Method to draw shadows in computer graphic images
Photon mapping, a much slower technique capable of very realistic lighting Radiosity, another very slow but very realistic technique Horizon mapping,
Shadow_mapping
Text-based ray-tracing program
caustics using photon mapping surface patterns such as wrinkles, bumps, and ripples, for use in procedural textures and bump mapping radiosity support
POV-Ray
Computer graphics 3D reference model
Later, the Cornell box was adapted for evaluating newer methods such as photon mapping, introduced by Henrik Wann Jensen in the 1990s, which improved the simulation
Cornell_box
Envelope of light rays reflected or refracted by a curved surface/object
paths of a light beam, accounting for the refraction and reflection. Photon mapping is one implementation of this. Volumetric caustics can also be achieved
Caustic_(optics)
Computer graphics rendering technique
overlays the images. Spectral rendering is often used in ray tracing or photon mapping to more accurately simulate the scene, often for comparison with an
Spectral_rendering
3D graphics software
anti-aliasing, soft shadows, depth of field, transparent background, photon mapping caustics and subsurface scattering. The Raster renderer provides a few
Art_of_Illusion
2007 video game
kind to feature real time Global illumination through a method called Photon mapping, the GI system runs entirely through the CPU on one core and was first
S.T.A.L.K.E.R.: Shadow of Chernobyl
S.T.A.L.K.E.R.:_Shadow_of_Chernobyl
Graphics created using computers
like ambient occlusion, subsurface scattering, Rayleigh scattering, photon mapping, ray-tracing and many others. Experiments into the processing power
Computer_graphics
Data structure used in lightmapping
volumes or shadow mapping, as real-time ray-tracing is still too slow to perform on modern hardware in most 3D engines. Photon mapping can be used to calculate
Lightmap
Computer graphics shading and rendering technique
for their work on ambient occlusion rendering. Global illumination Photon mapping Radiosity Ray tracing High-dynamic-range rendering Blender (software)
Ambient_occlusion
Integral equation
methods has led to many different algorithms including path tracing, photon mapping, and Metropolis light transport, among others. Although the equation
Rendering_equation
3D computer graphics software
Raytrace Sky Maps and Rigid Body Dynamics. The version, 8.0, added Photon Mapping, Fast soft shadows, area light, Quadratic light drop-off, EXR and 16bit
Electric Image Animation System
Electric_Image_Animation_System
Methodological basis for 3D CAD/CAM solid modeling and image rendering
sophisticated ray-casting algorithm which considers global illumination Photon mapping Radiosity (computer graphics) Path tracing Volume ray casting 2.5D Roth
Ray_casting
Simultaneous absorption of two photons by a molecule
two-photon absorption (TPA or 2PA), also called two-photon excitation or non-linear absorption, is the simultaneous absorption of two photons of identical
Two-photon_absorption
Photometry Science of measuring light in terms of human perception. Photon mapping Photorealistic rendering algorithm based on tracing rays from the camera
Glossary_of_computer_graphics
Image artifact in a lens system
sophisticated rendering techniques have been developed based on ray tracing or photon mapping. Lens flare was typically avoided by Hollywood cinematographers, but
Lens_flare
Reflection with light scattered at random angles
model diffuse interreflection when rendering a scene. Radiosity and photon mapping are two commonly used methods. Diffuse reflectance spectroscopy can
Diffuse_reflection
Computer-generated imagery rendering software app
engine that uses global illumination algorithms, including path tracing, photon mapping, irradiance maps and directly computed global illumination. The desktop
V-Ray
casts beams from the light source into the environment. Similar to photon mapping, backwards beam tracing may be used to efficiently model lighting effects
Beam_tracing
Use of a GPU for computations typically assigned to CPUs
video encoding and pre-processing Global illumination – ray tracing, photon mapping, radiosity among others, subsurface scattering Geometric computing –
General-purpose computing on graphics processing units
General-purpose_computing_on_graphics_processing_units
tracing Image-based lighting Metropolis light transport Path tracing Photon mapping Radiosity Ray tracing Hidden-surface removal or visual surface determination
List_of_algorithms
Penetrating form of electromagnetic radiation
radiation; they are distinguished by their different origins. Gamma ray photons have photon energy at the lower end from 104 eV to 107 eV; ultra-high-energy
Gamma_ray
Computer graphics rendering method using diffuse reflection
permits linear matrix methods to be applied to the problem. Cornell box Photon mapping Ray tracing Path tracing Dudka, Kamil. "RRV - Radiosity Renderer and
Radiosity_(computer_graphics)
Calculation of energy transfer between media affecting visibility
physical accuracy. Path tracing Global illumination Monte Carlo method Photon mapping Radiosity (computer graphics) Ray tracing (graphics) Ray tracing (physics)
Light_transport_theory
Property of photosensitive devices
measure of its electrical response to light. Another name for it is incident photon to converted electron (IPCE) ratio. In a charge-coupled device (CCD) or
Quantum_efficiency
3D modeling software
Strata 3Dpro (version 3) added functionality such as toon rendering and photon mapping.[citation needed] The Strata 3D CX v4.x releases in 2004 included Polygon
Strata_3D
Bitmap graphics editor
editor to incorporate 3D solid modeling and texture mapping as an integral part of the program. Photon Paint was programmed by Oren Peli, Eyal Ofek, and
Photon_Paint
Type of rendering in computer graphics
path needed for accurate reflection. On the other hand, progressive photon mapping (PPM), a biased technique, handles caustics effectively. Although biased
Unbiased_rendering
Open-source physically-based rendering engine
included in LuxRender 1.0 include: An experimental Stochastic Progressive Photon Mapping integrator (SPPM). GPU-accelerated "Hybrid Bidirectional" path tracing
LuxCoreRender
Study of underwater depth of lake or ocean floors
the study of past underwater depths. Synonyms include seafloor mapping, seabed mapping, seafloor imaging and seabed imaging. Bathymetric measurements
Bathymetry
Perspective distortion Phong reflection model Phong shading Photogrammetry Photon mapping Physically based rendering Physics engine Picture plane Pixel Pixel
List of computer graphics and descriptive geometry topics
List_of_computer_graphics_and_descriptive_geometry_topics
Danish computer graphics researcher (born 1969)
Danish computer graphics researcher. He is best known for developing the photon mapping technique as the subject of his PhD thesis, but has also done important
Henrik_Wann_Jensen
3D rendering notation
Caustics (see path 2). These kinds of light path can not be simulated with classical algorithms (simple radiosity or ray tracing). Caustic photon mapping
Light_Path_Notation
Canadian manufacturer of scientific instruments
Photon etc. is a Canadian manufacturer of infrared cameras, widely tunable optical filters, hyperspectral imaging and spectroscopic scientific instruments
Photon_etc.
Standalone rendering system
Guibas) Metropolis light transport (Kelemen, Kalos et al.) Photon mapping (Jensen) (mesh maps, photon maps, final gathering, irradiance caching, caustics) Diffuse
Kerkythea
NASA heliophysics mission
The Interstellar Mapping and Acceleration Probe (IMAP) is a heliophysics mission that will simultaneously investigate two important and coupled science
Interstellar Mapping and Acceleration Probe
Interstellar_Mapping_and_Acceleration_Probe
Type of single-photon detector
The superconducting nanowire single-photon detector (SNSPD) is a type of optical and near-infrared single-photon detector based on a current-biased superconducting
Superconducting nanowire single-photon detector
Superconducting_nanowire_single-photon_detector
All of space observable from the Earth at the present
reported that extragalactic background light (EBL) amounted to 4×1084 photons. As the universe's expansion is accelerating, all currently observable
Observable_universe
Trace radiation from the early universe
the electromagnetic spectrum. Its energy density exceeds that of all the photons emitted by all the stars in the history of the universe. The accidental
Cosmic_microwave_background
Global Illumination (through Photon Mapping) Polygonal and Parametric Surfaces (NURBS, Subdivision) Displacement Mapping Motion Blur Lens Shaders Autodesk
Holomatix_Rendition
Experimental technique to determine the distribution of electrons in solids
crystalline solid. It is based on the photoelectric effect, in which an incoming photon of sufficient energy ejects an electron from the surface of a material.
Angle-resolved photoemission spectroscopy
Angle-resolved_photoemission_spectroscopy
Spectroscopy with lasers with very short pulses
different procedures have been developed spanning different time scales and photon energy ranges; some common methods are listed below. Dynamics on the femtosecond
Ultrafast_laser_spectroscopy
Low energy photon scattering off charged particles
particle's kinetic energy and photon frequency do not change as a result of the scattering. This limit is valid as long as the photon energy is much smaller
Thomson_scattering
Instrument for measuring gamma radiation
spectrum—see figure) of the intensity of gamma radiation versus the energy of each photon. The study and analysis of gamma-ray spectra for scientific and technical
Gamma-ray_spectrometer
Method of spatial measurement using laser
forestry, atmospheric physics, laser guidance, airborne laser swathe mapping (ALSM), and laser altimetry. It is used to make digital 3-D representations
Lidar
Compact astronomical body
the photon sphere depends on the spin parameter and whether the photon is orbiting prograde or retrograde. For a photon orbiting prograde, the photon sphere
Black_hole
Change in wavelength of light
structure of the universe. Redshift and blueshift can also be related to photon energy and, via Planck's law, to a corresponding blackbody temperature.
Redshift
Physicist
quantum mechanical concepts and historic experiments, such as mapping trajectories of photons passing through a double slit via weak measurement, or timing
Aephraim_M._Steinberg
Reconnaissance mission of the main belt asteroid 16 Psyche
transmitter to send high-rate data to the ground system, and a sensitive photon-counting camera to receive a ground-transmitted laser. The transceiver's
Psyche_(spacecraft)
Physical phenomenon
(BSM) on photon b, the input photon, and photon c, her part of the entangled photon pair (photons c and d). Photon d, Bob's receiver photon, will contain
Quantum_teleportation
Scientific method
and other cell types. Some GECIs report calcium by direct emission of photons (luminescence), but most rely on fluorescent proteins as reporters, including
Calcium_imaging
Daily total of photosynthetic light per area
light integral (DLI) describes the number of photosynthetically active photons (individual particles of light in the 400-700 nm range) that are delivered
Daily_light_integral
Optical method of measuring fluid flow
anemometry. Early laser Doppler velocimetry applications included measuring and mapping the exhaust from rocket engines with speeds up to 1000 m/s, as well as
Laser_Doppler_velocimetry
Topics referred to by the same term
down-conversion, in quantum optics, a source of entangled photon pairs and of single photons Optical parametric amplifier, a type of laser light source
Parametric
Set of techniques to measure and visualize aspects of the nervous system
CAT in the early 1980s, the development of radioligands allowed single-photon emission computed tomography (SPECT) and positron emission tomography (PET
Neuroimaging
Japanese music media franchise
of Photon Maiden- (1)" (in Japanese). Kodansha. Archived from the original on April 30, 2021. Retrieved April 30, 2021. "D4DJ-The Starting of Photon Maiden-
D4DJ
Basic unit of quantum information
can be taken as spin up and spin down; or the polarization of a single photon in which the two spin states (left-handed and the right-handed circular
Qubit
procedure is followed. The desired monochromator grating is selected along with photon energy in the middle of NEXAFS range. Refocus mirrors are adjusted to put
Scanning transmission X-ray microscopy
Scanning_transmission_X-ray_microscopy
Measurement of infrared radiation's interaction with matter
overtone bands are observed. An overtone band arises from the absorption of a photon leading to a direct transition from the ground state to the second excited
Infrared_spectroscopy
Second crewed mission to Skylab
William L. Kraushaar and Alan Bunner. S150 could detect 40–100 angstrom photons. Spider webs were spun by two female European garden spiders (cross spiders)
Skylab_3
Quantum-mechanical version of computer memory
of any state, and a mechanism for converting predetermined photons into on-demand photons. Quantum memory can be used in many aspects, such as quantum
Quantum_memory
NASA space observatory designed to detect X-rays and gamma rays (1991–2000)
Compton Gamma Ray Observatory (CGRO) was a space observatory detecting photons with energies from 20 keV to 30 GeV, in Earth orbit from 1991 to 2000.
Compton_Gamma_Ray_Observatory
Collaborative map database
Coast in response to the Ordnance Survey, the United Kingdom's national mapping agency, failing to release its data to the public under free licences in
OpenStreetMap
Topics referred to by the same term
detector Gigametre or gigameter (Gm), one billion metres GM, a unit of two-photon absorption cross-section, named after Maria Goeppert Mayer Gram or gramme
GM
Form of 3D computer interaction merging the real world with virtual objects
registration, legible contrast under varied lighting, and low motion-to-photon latency. Visual design often uses depth cues (occlusion, shadows) to support
Augmented_reality
Cryptography based on quantum mechanical phenomena
captures the photon sent by Alice and then generates another photon to send to Bob. Eve manipulates the phase and timing of the "faked" photon in a way that
Quantum_cryptography
Imaging technique for solid chemical analysis
spectroscopy, which identifies the photons scattered from the electron beam impact, with the energy/wavelength of the photons characteristic of the atoms excited
Electron_probe_microanalysis
Use of light for medical investigation
may be divided into diffusive and ballistic imaging systems. A model for photon migration in turbid biological media has been developed by Bonner et al
Medical_optical_imaging
Spectral line of hydrogen state transition in UHF radio frequencies
106114054160(30) cm in a vacuum. According to the Planck–Einstein relation E = hν, the photon emitted by this transition has an energy of 5.8743261841116(81) μeV [9
Hydrogen_line
Statistical concept
but this is not the case in photon-limited imaging, for which the exact unbiased inverse given by the implicit mapping E [ 2 x + 3 8 ∣ m ] = 2 ∑ x
Anscombe_transform
Medical imaging technique
longer to acquire. Alternative methods of medical imaging include single-photon emission computed tomography (SPECT), computed tomography (CT), magnetic
Positron_emission_tomography
Restricted model of non-universal quantum computation
distribution of many bosons — a category of fundamental particle that includes photons — whose quantum waves interfere with one another in a way that essentially
Boson_sampling
Spectroscopic technique
be identified. Raman spectroscopy relies upon inelastic scattering of photons, known as Raman scattering. A source of monochromatic light, usually from
Raman_spectroscopy
Phase-shifting interferometer Planar lightwave circuit interferometer (PLC) Photon Doppler velocimeter interferometer (PDV) Polarization interferometer (see
List of types of interferometers
List_of_types_of_interferometers
20th- and 21st-century German physicist and neurobiologist
Science. Two-photon laser scanning fluorescence microscopy Denk 1994, Proc Natl Acad Sci USA. Two-photon scanning photochemical microscopy: mapping ligand-gated
Winfried_Denk
Viewing of objects which are too small to be seen with the naked eye
microscopes by several companies, although the gains of using 3-photon instead of 2-photon excitation are marginal. Using a plane of light formed by focusing
Microscopy
Matter and radiation in the space between the star systems in a galaxy
of photons, but often such photons can penetrate throughout the neutral phase and only get absorbed in the outer layers of molecular clouds. Photons with
Interstellar_medium
Simultaneous measurement of spectra and pictures
Chemical imaging (as quantitative – chemical mapping) is the analytical capability to create a visual image of components distribution from simultaneous
Chemical_imaging
American company
time. Niantic Spatial also captures mapping data from aerial drones and a custom-built mapping device called Photon.[further explanation needed] Localization
Niantic_Spatial
X-ray space observatory
Optical Monitor (OM) attained first light on 5 January, the two European Photon Imaging Camera (EPIC) MOS-CCDs followed on 16 January and the EPIC pn-CCD
XMM-Newton
Fluctuations in the density of the normal matter of the universe
plasma of electrons and baryons (which include protons and neutrons). Photons (light particles) travelling in this universe were essentially trapped
Baryon_acoustic_oscillations
Technology and services company
laser scanner hardware, the SceneModeler 5 and SceneModeler 9, and the Photon from Faro Systems. Quantapoint has a fleet of more than twenty (20) 3D laser
Quantapoint
Something that has mass and volume
mass and volume. However it does not include massless particles such as photons, or other energy phenomena or waves such as light or heat. Matter exists
Matter
American physical chemist (1875–1946)
noted the identity of a spacetime squeeze mapping and a Lorentz transformation. In 1926, he coined the term "photon" for the smallest unit of radiant energy
Gilbert_N._Lewis
of inelastic scatter is characteristic of the molecule that scatters the photon. A molecule may produce over 10 to 20 major lines, though this is restricted
Spatially offset Raman spectroscopy
Spatially_offset_Raman_spectroscopy
Type of statistical analysis
context of optical microscopy, in particular, confocal microscopy or two-photon excitation microscopy. In these techniques, light is focused on a sample
Fluorescence correlation spectroscopy
Fluorescence_correlation_spectroscopy
Device that measures magnetism
atom within the chamber encounters a photon from the laser, it is excited to a higher energy state, emits a photon and falls to an indeterminate lower
Magnetometer
Pair of counter-rotating wedge prisms used for optical beam steering
configurable scan patterns and wide fields of view for coherent and single-photon 3D imaging. Aerospace seekers and pointing. Patents and reports describe
Risley_prisms
Optical technique for monitoring brain activity
concentration with the mBLL, we need to know photon path-length. However, CW-fNIRS does not provide any knowledge of photon path-length, so changes in HbO concentration
Functional near-infrared spectroscopy
Functional_near-infrared_spectroscopy
APOLLO records approximately one returned laser photon per pulse, as opposed to the roughly 0.01 photon-per-pulse average experienced by previous LLR facilities
Apache Point Observatory Lunar Laser-ranging Operation
Apache_Point_Observatory_Lunar_Laser-ranging_Operation
"Transformer" part of Kefrens' "Megademo 8", coded by Promax. Named by Photon from the Swedish word "Gläns" (glisten or glitter) Blenk, shiny metallic
Demo_effect
Series of techniques in optical microscopy
diffraction of light. Super-resolution imaging techniques rely on the near-field (photon-tunneling microscopy as well as those that use the Pendry Superlens and
Super-resolution_microscopy
Formulation of quantum mechanics
direct photon detection the two theories produce equivalent results. Where the quantum jump method predicts the quantum jumps of the system as photons are
Quantum_Trajectory_Theory
3D computer graphics software
tracer. This integrator works by sending several light rays that act as photons from the camera out into the scene. These rays will eventually hit either:
Blender_(software)
PHOTON MAPPING
PHOTON MAPPING
Surname or Lastname
English (mainly Cambridgeshire)
English (mainly Cambridgeshire) : habitational name from a place in Lincolnshire called Panton, from Old English pamp ‘hill’, ‘ridge’ or panne ‘pan’ + tūn ‘enclosure’, ‘settlement’.
Surname or Lastname
English (mainly West Midlands)
English (mainly West Midlands) : habitational name from Peyton in Sussex, named the Old English personal name Pǣga + Old English tūn ‘enclosure’, ‘settlement’, or from some other place similarly named. Peyton in Essex has probably not contributed; it has a quite different early etymology, and even in the 16th century it was still Pakenho or Patenhall.Irish (mainly County Donegal) : Anglicized form of Gaelic Ó Peatáin ‘descendant of Peatán’, a pet form of the personal name Pádraig (see Patrick). Outside County Donegal, the name is apparently mainly of English origin (see 1).
Male
Greek
(Φίλων) Greek name derived from the word phileo, PHILON means "to love."
Surname or Lastname
English
English : habitational name from Penton Mewsey, Hampshire, which is named with Old English pening ‘penny’ + tūn ‘farmstead’, ‘settlement’, i.e. a farmstead paying a penny rent.
Male
Greek
(Φόβος) Greek name PHOBOS means "fear." In mythology, this is the name of a son of Ares. It is also the name of a moon of Mars.
Surname or Lastname
English and Irish (County Donegal)
English and Irish (County Donegal) : variant spelling of Payton.
Male
Greek
(ΠλοÏτων) Greek name derived from the word ploutos, PLOUTON means "wealth." In mythology, this is the name of a god of the underworld.Â
Surname or Lastname
English
English : topographic name for someone who lived by a postern gate, from Old French posterne; in some cases it would have been a metonymic occupational name for a gatekeeper.English : habitational name from Poston in Herefordshire or Poston in Shropshire, which is named with an Old English personal name Possa + þorn ‘thorn tree’.
Male
Greek
Greek name PHAETON means "the shining one." In mythology, this is the name of one of the steeds of Aurora. The other is Abrax.
Male
Native American
Native American Miwok name HONON means "bear."
Surname or Lastname
English (mainly central and northwestern England)
English (mainly central and northwestern England) : habitational name from Hooton in Cheshire, or from Hooton Levitt, Hooton Pagnell, or Hooton Roberts in South Yorkshire, all named with Old English hÅh ‘spur of land’ + tÅ«n ‘farmstead’.See Hooten.
Male
Greek
(Πλάτων) Greek name derived from the word platys, PLATON means "broad, flat; plateau."
Female
Greek
(Φωτινή) Greek name derived from the word phos, PHOTINE means "light."
Surname or Lastname
English
English : probably a reduced form of Thornton, or a habitational name from Thorton in Marnhull, Dorset, which has the same origin.
Surname or Lastname
English
English : habitational name, probably from a place in Norfolk named Booton, from an Old English personal name (BÅta or BÅ) + tÅ«n ‘settlement’. The present-day concentration of the surname is in the West Midlands and Wales.
Male
English
Variant spelling of English unisex Payton, PEYTON means "Pæga's settlement."
Male
Greek
(Φώτιος) Greek name derived from the element phos, PHOTIOS means "light."
Surname or Lastname
English
English : habitational name from Pelton, a place in County Durham, named from an unattested Old English personal name Pēola + tūn ‘farmstead’, ‘settlement’.
Surname or Lastname
English, northern Irish, and Scottish
English, northern Irish, and Scottish : from a pet form of the personal name Pate.The American general George Patton (1885–1945) was born in San Gabriel, CA, into a family with a long military tradition. His earliest American ancestor, Robert Patton, had emigrated from Scotland to VA c.1770.
Surname or Lastname
English
English : variant of Whitton.James Whiton of Hingham, Norfolk, England, came to Plymouth, MA, in 1635.
PHOTON MAPPING
PHOTON MAPPING
Boy/Male
British, English
Form of Reginald; Counsel Power
Surname or Lastname
English
English : from Middle English port ‘gateway’, ‘entrance’ (Old French porte, from Latin porta), hence a topographic name for someone who lived near the gates of a fortified town or city, typically, the man in charge of them. Compare Porter 1.English : topographic name for someone who lived near a harbor or in a market town, from the homonymous Middle English port (Old English port ‘harbor’, ‘market town’, from Latin portus ‘harbor’, ‘haven’, reinforced in Middle English by Old French port, from the same source).German : topographic name for someone who lived near a (city) gate, from Middle Low German porte (modern German Pforte) (see sense 1).Jewish (from Lithuania and Belarus) : unexplained.
Boy/Male
Hindu
The Sun, Expert or skilled
Boy/Male
Hindu
Austerities
Boy/Male
Christian & English(British/American/Australian)
Occupation Name
Girl/Female
Australian, Celtic, Christian, Irish
Kernel; Nut
Girl/Female
Hindu
Girl with humanity, One who poses all best qualities
Boy/Male
Hindu, Indian, Nepali
Love of Lord
Girl/Female
Indian
Maiden, Young, Queen
Boy/Male
Tamil
Jhenkar | ஜஹேநà¯à®•à®¾à®°
Musical note
PHOTON MAPPING
PHOTON MAPPING
PHOTON MAPPING
PHOTON MAPPING
PHOTON MAPPING
n.
The art or process of making photo-electrotypes.
n.
A philter or love potion.
v. t.
A medicine or mixture; a potion.
pl.
of Phylon
n.
A chiton.
v. t.
To drug.
n.
A handsome American butterfly (Euphydryas, / Melitaea, Phaeton). The upper side of the wings is black, with orange-red spots and marginal crescents, and several rows of cream-colored spots; -- called also Baltimore.
a.
A sleeping potion; an opiate.
pl.
of Cornet-a-piston
n.
A South American butterfly (Ithonia phono) having nearly transparent wings.
n.
The removable flange, or cover, of a piston. See Illust. of Piston.
pl.
of Photo
n.
One of the parts which by their repetition make up a flowering plant, each being a single joint of a stem with its leaf or leaves; a phytomer.
n.
A contraction of Photograph.
n.
An organic element of a flowering plant; a phyton.
pl.
of Phyton