photo-offset |
a method of offset printing in which an inked photolithographic image is transferred from a metal plate to a rubber blanket or roller and then printed on paper. [2 definitions] |
photooxidation |
oxidizing caused by light or some other kind of radiation. |
photoperiodism |
the effect, as on growth or behaviors in plants or animals, caused by variations in the lengths of time they are exposed to light. |
photophobia |
an abnormal fear of or painful sensitivity to light, sometimes resulting from eye ailments. |
photopia |
vision during conditions of bright light or normal daylight. (Cf. scotopia.) |
photoplay |
the written text of a play intended for presentation on film rather than on the stage; screenplay. |
photoreceptor |
a cell on a sense organ or nerve, such as the eye or the optic nerve, that detects light, or the organ or nerve itself. |
photosensitive |
sensitive to light or radiation. |
photosphere |
the shining, visible surface of a star, esp. the sun. |
Photostat |
trademark for a camera device used to make picturelike copies of printed matter. [3 definitions] |
photostat |
to make a copy of (a document or the like) using a Photostat. |
photosynthesis |
the process in plants by which sunlight, with the help of chlorophyll, is converted to chemical energy that is used to synthesize inorganic compounds into organic ones, esp. sugars. |
photosynthesize |
to bring about or produce by the process of photosynthesis. |
phototaxis |
the self-determined movement of an organism toward or away from light. |
phototropic |
of, relating to, or influenced by phototropism. |
phototropism |
the tendency of plants to turn or grow in a particular direction in response to light. |
phototypesetting |
see "photocomposition." |
photovoltaic |
pertaining to, producing, or utilizing voltage that has been generated using radiant energy. |
photovoltaic cell |
a cell that produces electromotive force when it is exposed to radiation, esp. light; solar cell. |
phr. |
abbreviation of "phrase." |
phrasal |
pertaining to or consisting of one or more phrases. |