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 photoscopically By means of a photoscope. photoscopy The use of the photoscope. photoscreener A device used in photoscreening photoscreening The use of a photoscreener to detect lazy eye in children photosculptor One who carries out photosculpture. photosculptural Relating to photosculpture. photosculpture A process in which, by means of a number of photographs taken from different points of view on the same level, a rough model of the subject may be made quickly. photosedimentation Optical sedimentation. photosedimentometer A device used to measure the particle size distribution during photosedimentation photosedimentometric Relating to photosedimentometry. photosedimentometry The optical measurement of the settling rates of particles and fibres. photoselected Obtained by photoselection photoselection A technique in which an aligned subset of sample molecules is selected by an exciting light beam. photoselective That affects only parts or areas treated with light photoselectively In a photoselective manner photoselectivity The condition of being photoselective photosensation The process of sensing light. photosensing photoelectric or photochemical sensing photosensitive Having a reaction to, or able to be affected by, light. photosensitively In a photosensitive way. photosensitiveness Photosensitivity. photosensitivity sensitivity to light, especially a heightened response to light photosensitization The acquisition of photosensitivity photosensitize to make something photosensitive photosensitized That has been made photosensitive photosensitizer A molecular or atomic species that initiates a photochemical reaction photosensitizing That causes photosensitization photosensor A photodetector photosensory Relating to the perception of light (in the eye or other photoreceptor) photosequence A sequence of photographs (made using a still camera) photoserigraph A serigraph made from an existing photograph photoserigraphy The production of photoserigraphs photoset to photocompose photosetter A photocomposer; a machine for photosetting. photosharing The sharing of photographic images, especially via social networking sites. photoshock shock caused by (typically flashing) light photoshoot A session in which a photographer takes a number of photographs of a person or group of people. photoshop To digitally edit or alter (a picture or photograph). photoshopped Of an image, digitally edited or altered. photoshopper One who digitally alters photographs. photosimulation A photographic image that has been computer-modified to show a not-yet existing feature photosite An individual light-sensitive element in a digital image sensor. photosomnolence somnolence (induction of sleep) in a nocturnal animal caused by exposure to light photospectroheliograph spectroheliograph photospectrometer Synonym of spectrophotometer. photospectrometric Relating to photospectrometry photospectrometrically By means of photospectrometry photospectrometry spectrometry, especially that which uses visible light photospectrophotometer Synonym of spectrophotometer. photospectroradiometer A spectroradiometer with a built-in camera photospectroscope A device for performing photospectroscopy. photospectroscopic Relating to photospectroscopy photospectroscopically In a photospectroscopic manner photospectroscopy spectroscopy that is recorded photographically photosphere A visible surface layer of a star, and especially that of a sun. photospheric of, relating to, or occurring in the photosphere photospread A police technique for identifying a person by having a witness select the person's photograph from a group. photostability stability against photochemical change photostabilization photochemical stabilization photostabilize To add compounds that absorb ultraviolet radiation to plastics in order to reduce photodegradation photostabilizer Any material that photostabilizes photostable Exhibiting photostability photostage A period of growth primarily driven by light. photostasis The balance of energy, in photosynthetic plants, between photochemical input and metabolic output photostat A (non-xerographic) photocopy made using a Photostat machine; (loosely) any photocopy, even a xerographic one. photostatic Relating to xerography photostatically xerographically photostationary Describing a steady state reached by a photochemical reaction in which the rates of formation and disappearance of transient species are equal photostatistics statistics of the numbers of photons in various quantum states photostatter One who photostats. photosterilization sterilization, typically of surgical instruments, by exposure to ultraviolet light photostimulable Able to be photostimulated photostimulate To stimulate by means of light photostimulated stimulated by the absorption of light energy photostimulating That involves photostimulation photostimulation The activation of a biological organ or organism by means of light photostimulator A device used in photostimulation photostimulatory That produces photostimulation photostimulon photochemical stimulon photostimulus The stimulus involved in photostimulation photostory A story illustrated with sequential photographs in the manner of a comic strip. photostream A gallery or slideshow displaying a series of images from the Internet. photostress Exposure of the eye to bright light and measurement of the time taken for vision to return, used in ocular diagnosis photostressed stressed by exposure to bright light photostriction A change in the dimensions of some piezoelectric materials when illuminated; only occurs if the material is also photoelectric. photostrictive Of, pertaining to, or causing photostriction photostructurable Whose structure may be modified by light photosubstitution Any photochemical substitution reaction photosurvey A photographic survey. photoswitch A switch that is activated by light photoswitchability The condition of being photoswitchable photoswitchable Capable of being photoswitched, or switched by an optical signal. photoswitched Modified by photoswitching photoswitching The modification of the structure of a compound by light, especially when accompanied by a change in function photosymbiodeme The morphologically varying structures formed by the interaction of a single mycobiont with two different photobionts. photosymbiont An organism in a photosymbiotic relationship photosymbiosis symbiosis in which one of the participants is capable of photosynthesis photosymbiotic Relating to photosymbiosis. photosynchronization synchronization of a circadian rhythm by means of light photosyntax photosynthesis photosynthate Any compound that is a product of photosynthesis. photosynthesis Principally, oxygenic photosynthesis, any process by which plants and algae convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy. photosynthesize To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis photosynthesizer Any organism that uses photosynthesis to generate carbohydrates photosynthesizing That performs photosynthesis. photosynthetic Of, relating to, or employing photosynthesis. photosynthetically By the use of photosynthesis photosynthetron A photosynthesis irradiance incubator photosynthometer An instrument for measuring photosynthesis. photosystem Either of two biochemical systems, active in chloroplasts, that are part of photosynthesis phototachometer A tachometer that measures revolutions by optical sensing. phototachometry The use of the phototachometer. phototachymeter An electrooptical instrument for measuring distances. phototachymetric Relating to a phototachymeter. phototactic of or relating to phototaxis phototactically In terms of or by means of phototaxis. phototautomerization A form of photoisomerization leading to the formation of a tautomer. phototaxic Having a tendency to adjust orientation in response to light. A plant or sedentary animal that is positively phototaxic will lean or grow toward light. One that is negatively phototaxic will lean or grow away from light. phototaxis The movement of an organism either towards or away from a source of light phototaxy phototaxis phototelegram A fax communication. phototelegraph An image transmitted by phototelegraphy. phototelegraphic Relating to phototelegraphy. phototelegraphically By means of, or in terms of, phototelegraphy. phototelegraphy The fax system phototelephone An early telephonic device for transmitting a photographic image. phototelephony The transmission of sound by means of light. phototelescope A telescope adapted for taking photographs of the heavenly bodies. phototelescopic Relating to the phototelescope. phototest A photosensitivity test. phototesting The act or process of phototesting. phototheodolite A theodolite with an attached camera. phototheranostic Describing a theranostic material that is activated by light phototherapeutic Pertaining to phototherapy. phototherapeutically In a phototherapeutic way. phototherapeutics Synonym of phototherapy. phototherapic Pertaining to phototherapy. phototherapist A practitioner of phototherapy. phototherapy The use of light to treat disorders of the skin, and certain mood disorders. photothermal Involving the production of heat by photoexcitation. photothermally In a photothermal manner photothermic Relating to both light and heat. photothermoacoustic thermoacoustic as a result of (laser) light photothermoelasticity The changes in the optical properties of a dielectric when subject to heat-induced mechanical stress. photothermography The formation of images using a combination of heat and light, either simultaneously or sequentially photothermolysis photochemical thermolysis photothermoplastic A composite material composed of a thermoplastic photoresist. photothreshold The threshold at which a photoelectric effect is established photothrombosis A form of thrombosis introduced experimentally by means of photoactivation of a previously injected drug photothrombotic Relating to photothrombosis.