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47 Nouns That Start With PHOT

Part of Speech:
Word Definitions Synonyms
phot (noun) a unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux
photalgia (noun) pain in the eye resulting from exposure to bright light (often associated with albinism) Synonyms: photophobia
photo (noun) a representation of a person or scene in the form of a print or transparent slide or in digital format Synonyms: exposure, photograph, pic, picture
photocathode (noun) a cathode that emits electrons when illuminated
photocell (noun) a transducer used to detect and measure light and other radiations Synonyms: electric eye, magic eye, photoconductive cell, photoelectric cell
photochemistry (noun) branch of chemistry that deals with the chemical action of light
photocoagulation (noun) surgical procedure that uses an intense laser beam to destroy diseased retinal tissue or to make a scar that will hold the retina in cases of detached retina
photocoagulator (noun) surgical instrument containing a laser for use in photocoagulation
photoconduction (noun) change in the electrical conductivity of a substance as a result of absorbing electromagnetic radiation Synonyms: photoconductivity
photoconductivity (noun) change in the electrical conductivity of a substance as a result of absorbing electromagnetic radiation Synonyms: photoconduction
photocopier (noun) a copier that uses photographic methods of making copies
photocopy (noun) a photographic copy of written or printed or graphic work
photoelectricity (noun) electricity generated by light or affected by light
photoelectron (noun) an electron that is emitted from an atom or molecule by an incident photon
photoemission (noun) an emission of photoelectrons (especially from a metallic surface)
photoengraving (noun) an engraving used to reproduce an illustration Synonyms: halftone, halftone engraving
photoflash (noun) a lamp for providing momentary light to take a photograph Synonyms: flash, flash bulb, flash lamp, flashbulb, flashgun
photoflood (noun) light that is a source of artificial illumination having a broad beam; used in photography Synonyms: flood, flood lamp, floodlight
photograph (noun) a representation of a person or scene in the form of a print or transparent slide or in digital format Synonyms: exposure, photo, pic, picture
photographer (noun) someone who takes photographs professionally Synonyms: lensman
photography (noun) the act of taking and printing photographs Synonyms: picture taking
(noun) the occupation of taking and printing photographs or making movies
(noun) the process of producing images of objects on photosensitive surfaces
photogravure (noun) using photography to produce a plate for printing Synonyms: rotogravure
(noun) an intaglio print produced by gravure Synonyms: gravure, heliogravure
(noun) printing from an intaglio plate prepared by photographic methods
photoheliograph (noun) a telescope, with a camera attached, used to photograph the Sun.
photojournalism (noun) journalism that presents a story primarily through the use of pictures
photojournalist (noun) a journalist who presents a story primarily through the use of photographs
photolithograph (noun) a lithograph produced by photographically produced plates
photolithography (noun) a planographic printing process using plates made from a photographic image
photomechanics (noun) the technique of using photomechanical methods to make photographs into plates for printing
(noun) the process whereby printing surfaces (plates or cylinders) are produced by photographic methods Synonyms: photoplate making
photometer (noun) photographic equipment that measures the intensity of light Synonyms: exposure meter, light meter
(noun) measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
photometrician (noun) someone who practices photometry Synonyms: photometrist
photometrist (noun) someone who practices photometry Synonyms: photometrician
photometry (noun) measurement of the properties of light (especially luminous intensity)
photomicrograph (noun) a photograph taken with the help of a microscope
photomontage (noun) a montage that uses photographic images
photomosaic (noun) arrangement of aerial photographs forming a composite picture Synonyms: arial mosaic, mosaic
photon (noun) a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
photophobia (noun) pain in the eye resulting from exposure to bright light (often associated with albinism) Synonyms: photalgia
(noun) a morbid fear of light
photopigment (noun) a special pigment found in the rods and cones of the retina
photoretinitis (noun) damage to the retina resulting from exposure of the eye to the sun without adequate protection
photosensitivity (noun) sensitivity to the action of radiant energy Synonyms: radiosensitivity
photosphere (noun) the intensely luminous surface of a star (especially the sun)
photostat (noun) a photocopy made on a Photostat machine
photosynthesis (noun) synthesis of compounds with the aid of radiant energy (especially in plants)
phototelegraph (noun) an apparatus for transmitting pictures by phototelegraphy.
phototelegraphy (noun) an early technology for the transmission of facsimiles.
phototherapy (noun) the use of strong light to treat acne or hyperbilirubinemia of the newborn
phototropism (noun) an orienting response to light

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