photomap |
a map of one or more aerial photographs onto which identifying names and markings have been superimposed. [2 definitions] |
photomechanical |
pertaining to or designating any process by which plates used in printing are prepared by photographic means. |
photometer |
an instrument that measures the intensity, distribution, and color of light. |
photometry |
the measurement of light, esp. its intensity or fluctuation. |
photomicrograph |
a photograph of a small object taken through a microscope. |
photomontage |
the technique of making a photographic composition by combining parts or elements of more than one photograph, often with the addition of other graphic material. [2 definitions] |
photomultiplier |
an electronic device that detects and amplifies electromagnetic radiation, esp. in the visible range; photomultiplier tube. |
photomultiplier tube |
an electronic device that detects and amplifies electromagnetic radiation, esp. in the visible range; photomultiplier. |
photomural |
one or more very large photographs used as a mural. |
photon |
the fundamental unit of electromagnetic energy with zero mass, no electrical charge, and a spin of one, usu. regarded as an elementary particle. |
photonics |
the branch of physical science that deals with the properties and applications of light, esp. as a medium for transmitting information. |
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] |