Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z photoinhibition The inhibition of photosynthesis caused by protein damage due to high levels of light (especially ultraviolet) photoinhibitive Relating to, or causing photoinhibition photoinhibitory Relating to photoinhibition photoinitiate To initiate a chemical reaction by means of a form of light photoinitiated initiated by light or other electromagnetic radiation photoinitiation The photoproduction of a radical or ion that is capable of initiating a chain reaction; used especially to initiate polymerization photoinitiator Any substance that initiates a chemical reaction by the absorption of a photon to form an excited state. photoinject To introduce (a nucleic acid) into a cell by means of light. photoinjector A device that uses a photocathode to generate a beam of electrons photoinsecticidal Relating to photoinsecticides photoinsecticide An insecticide whose efficacy is improved with a photosensitizing agent photoinsensitive Not easily affected by lights. photoinstability chemical instability in the presence of light photoinstable Chemically instable in the presence of light. photointensity The intensity of (exposure to) light photointerconvertible photochemically interconvertible photointermediate Any (normally metastable) intermediate in a photochemical reaction photointerpretation photographic interpretation photointerpreter An expert at photointerpretation photointerrupter An optical device that acts as a switch when a beam of light is blocked by a foreign object photoion A cation produced through photoionization photoionisation The ejection of electrons from an atom or other species following the absorption of photons. photoionize To cause or to undergo photoionization. photoionized Subject to, or produced by photoionization photoionizing That causes or undergoes photoionization photoirradiate To irradiate with light photoirradiation irradiation with light photoirritancy Synonym of photoirritation. photoirritation irritation caused by exposure to light photoisolator An optoisolator photoisomer An isomer formed via photoexcitation. photoisomerase Any of a group of enzymes that catalyse the isomerization of photopigments photoisomeric Of or relating to photoisomers. photoisomerism isomerism (interconversion of isomers) as a result of irradiation by light photoisomerizable Able to undergo photoisomerization photoisomerization The formation of isomers via photoexcitation photoisomerize To cause a structural change between isomers through photoexcitation photoisomerized photochemically isomerized photoist A photographer. photojournal A journal in the form of a collection of photographs that tell a story. photojournalism A form of journalism in which a story is told primarily through photographs and other images. photojournalist A journalist who uses photojournalism. photojournalistic Of, or relating to photojournalism or photojournalists. photojunction A nuclear battery in which a phosphor is irradiated by a radioactive material; a silicon junction converts the emitted light into electricity. photokarren Synonym of phytokarst. photokeratectomy keratectomy by means of laser light photokeratital Relating to photokeratitis photokeratitis A painful condition of the eyes caused by exposure of unprotected eyes to ultraviolet (UV) rays. photokeratoscopy The use of a photokeratoscope. photokilling killing (especially of bacteria, or of cancer cells) by means of light photokinase A kinase involved with photokinesis photokinesis Any movement that is in response to light. photokinetic Of or pertaining to photokinesis. photokinetics The study of photokinesis photolab A photographic processing laboratory. photolabel A label attached to a molecule by photoaffinity labeling photolabeled Having a photolabel photolabeling photoaffinity labeling photolabile Labile or kinetically unstable in the presence of light; subject to photochemical or photophysical reactions. photolability The condition of being photolabile. photolarvicidal Relating to photolarvicides photolarvicide A larvicide whose efficacy is improved with a photosensitizing agent photolesion A lesion formed by exposure to light photoless Without photographs. photolettering The formation of lines of type on photographic paper or film. photoliberated liberated (released from a complex) by the action of light photoliberation liberation of a compound by the action of light photoligation Ligation triggered by light. photolike Resembling or characteristic of a photograph. photolith photolithography photolithoautotroph Any autotrophic organism that uses light energy and an inorganic electron donor and carbon dioxide as its carbon source. photolithoautotrophic Being or relating to a photolithoautotroph photolithoautotrophically In a photolithoautotrophic manner photolithoautotrophy The condition of being a photolithoautotroph. photolithograph A lithograph made by photolithography. photolithographer a person who practices photolithography photolithographic Of, pertaining to, or produced by photolithography photolithographically In terms of, or by means of, photolithography. photolithography A lithographic procedure in which printing plates are made using a photographic process. photolithoprint A print made by photolithography. photolithotroph A lithotroph that obtains energy from light and therefore uses inorganic electron donors only to fuel biosynthetic reactions. photolocation The ability to use light to locate objects in the environment. photolog photoblog photologic Relating to photology. photological Relating to photology. photologist An expert in photology photology A branch of physics that deals with light or the study of light and its effects. photoluminesce To exhibit photoluminescence photoluminescence luminescence following the absorption of a photon. photoluminescent Exhibiting photoluminescence photolurker One who seeks out and views online pictures posted by people he or she does not know. photolurking The practice of viewing online photos, especially those of strangers, without leaving comments, but possibly discussing them with third parties. photolyase An enzyme that repairs DNA that has been damaged by light. photolysable Capable of photolysis. photolysate The product of a photolysis reaction photolyse To cause photolysis. photolysis Any chemical reaction in which a compound is decomposed after absorbing a photon. photolyte Any substance that is decomposed by photolysis photolytic Of, or relating to photolysis photolytically In a photolytic manner photolyzed That has been subjected to photolysis. photomacrograph A macrograph. photomacrography The photography of small objects, at close range, using a macro lens. photomacroscope A macroscope equipped with a camera photomacroscopic Of or relating to the photomacroscope. photomacroscopy The use of the photomacroscope. photomagazine A magazine (periodical publication) in which photographs feature prominently. photomagnet Any material whose magnetic properties are changed by interaction with light photomagnetic of, or relating to the effect of light on the magnetic susceptibility of some materials, especially to the paramagnetism exhibited by some phosphorescent materials photomagnetism The branch of science that deals with the relation of magnetism to light, or the effect in which a material acquires or loses its ferromagnetic properties in response to light. photomagnetization magnetization induced by light photomagnetoelectric of, or relating to the generation of an electric current by an illuminated semiconductor in a magnetic field photomancy divination using light photomania A fascination with photography. photomanip A fake image made by editing and/or combining photographs. photomanipulation The application of image-editing techniques to photographs in order to create an illusion or deception. photomap a map made by the superimposition of aerial photographs onto grid lines, contours and other normal map features photomapper A person who creates a photomap. photomarathon A photography competition in which participants must take a series of photographs of predetermined subjects in a limited time period. photomask A transparent quartz block marked with many high-resolution images; a series of them are used in the photolithography of integrated circuits, one for each layer. photomasking The process of applying a photomask photomatic A series of still photographs edited together and presented on screen in a sequence. photomaton A photo booth. photomechanical of or relating to any of several methods of printing via a plate which has been prepared photographically, and can contain both text and images photomechanically By photomechanical means. photomechanics photomechanical printing photomechanochemistry The photochemical conversion of chemical energy into mechanical energy, especially that of polymers photomedical Relating to photomedicine. photomedicine The branch of medicine that involves the therapeutic use of light. photomeson A meson (usually a p-meson) ejected from a nucleus by an impinging photon photomesonic Relating to photomesons. photometabolic Relating to photometabolism photometabolism photochemical metabolism photometabolite Any metabolite produced by the action of light (typically in the skin) photometeor Any visible phenomenon in the atmosphere caused by reflection, refraction, diffraction or interference. photometer Any of several instruments used to measure various aspects of the intensity of light. photometered metered using a photometer photometric Of or relating to photometry or to photometers. photometrical Synonym of photometric. photometrically In a photometric manner photometrician Someone dedicated to the scientific measurement of light. photometrics The science of photometry. photometrist A specialist in photometry. photometrograph An instrument for recording the amount of daylight. photometry The measurement of various aspects of light, especially its intensity. photomezzotype A photomechanical process similar to collotype. photomicrogram Synonym of photomicrograph. photomicrograph A photograph taken using a microscope. photomicrographer One who carries out photomicrography. photomicrographic Relating to photomicrography.