| photodysphoria | Extreme photophobia. Origin: photo-+ G. Dysphoria, extreme discomfort (05 Mar 2000) |
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| photoelectric | <physics> Acting by the operation of both light and electricity. Said of apparatus for producing pictures by electric light or electronic effects produced by the action of light. See: photoelectric effect, photoelectric absorption. (21 Jun 2000) |
| photoelectric absorption | <chemistry, physics> The interaction of an X-ray photon with matter in which the incident photon is completely absorbed, giving up all its energy by displacing an outer shell electron. (05 Mar 2000) |
| photoelectric effect | <chemistry, radiobiology> The interaction of a photon with an atom, resulting in the absorption of the incident photon and the release of a bound electron from that atom with energy equal to the photon energy less the electron binding energy. (16 Dec 1997) |
| photoelectrometer | A device employing a photoelectric cell for measuring the concentration of substances in solution. (05 Mar 2000) |
| photoelectron | An electron freed by the action of light. (05 Mar 2000) |
| photoerythema | Erythema caused by exposure to light. Origin: photo-+ G. Erythema, flush (05 Mar 2000) |
| photoesthetic | Sensitive to light. Origin: photo-+ G. Aisthesis, sensation (05 Mar 2000) |
| photofluorography | The photography of images produced on a fluorescent screen by X-rays. (12 Dec 1998) |
| photogalvanography | The art or process of making photo-electrotypes. Origin: Photo- + galvanography. Source: Websters Dictionary (01 Mar 1998) |
| photogastroscope | <instrument> An instrument for taking photographs of the interior of the stomach. Origin: photo-+ G. Gaster, stomach, + skopeo, to view (05 Mar 2000) |
| photogen | <chemistry> A light hydrocarbon oil resembling kerosene. It is obtained by distilling coal, paraffin, etc, and is used as a lubricant, illuminant, etc. Alternative forms: photogene. Origin: Photo- + -gen. Source: Websters Dictionary (01 Mar 1998) |
| photogene | 1. A photograph. 2. A more or less continued impression or image on the retina. See: Photogen. Source: Websters Dictionary (01 Mar 1998) |
| photogenesis | Production of light, as by bacteria, insects, or phosphorescence. Origin: photo-+ G. Genesis, production (05 Mar 2000) |
| photogenic | Photogenous Denoting or capable of photogenesis. (05 Mar 2000) |
Synonyms : Extracorporeal Photochemotherapies, Photochemotherapies, Extracorporeal, Photopheresis, Extracorporeal
Synonyms : Light Sensitivities, Photophobias, Sensitivities, Light, Sensitivity, Light
Synonyms : Photosynthetic Phosphorylation, Phosphorylation, Photosynthetic, Phosphorylations, Photosynthetic, Photophosphorylations, Photosynthetic Phosphorylations
Synonyms : Light Reflection Rheography, Photoreflexometry, Rheography, Light Reflection, Light Reflection Rheographies, Photoplethysmographies, Photoreflexometries, Rheographies, Light Reflection
Synonyms : Retinal Photoreceptors, Photoreceptor, Photoreceptor, Retinal, Retinal Photoreceptor
| photochemistry |
branch of chemistry that deals with the chemical action of light
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| photocoagulation |
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
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| photoelectricity |
electricity generated by light or affected by light
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| photoelectron |
an electron that is emitted from an atom or molecule by an incident photon
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| photogenic |
looking attractive in photographs
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| photo | looking attractive in photographs |
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| photo | reflex epilepsy induced by a flickering light |
| photo | a picture of a person or scene in the form of a print or transparent slide |
| photo | record on photographic film"I photographed the scene of the accident" |
| photo | undergo being photographed in a certain way |
| photo | an album for photographs |
| photo | someone who takes photographs professionally |
| photo | a model who poses for photographers |
| photo | representing people or nature with the exactness and fidelity of a photograph |
| photo | relating to photography or obtained by using photography |
| photo | equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other) |
| photo | a light-sensitive coating on paper or film |