photoelectric cell
21photoelectric effect — Physics. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. Also called photoemission. [1890 95] * * *… …
22cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
23photoelectric meter — /ˌfoʊtoʊəˌlɛktrɪk ˈmitə/ (say .fohtohuh.lektrik meetuh) noun an exposure meter using a photoelectric cell for the measurement of light intensity …
24photoelectric — adj. marked by or using emissions of electrons from substances exposed to light. Phrases and idioms: photoelectric cell a device using this effect to generate current. Derivatives: photoelectricity n …
25Photoelectric effect — The photoelectric effect is a quantum electronic phenomenon in which electrons are emitted from matter after the absorption of energy from electromagnetic radiation such as x rays or visible light.cite book | title = Physics for Scientists… …
26cell — n. cubicle, small room 1) a jail, prison; monk s; padded cell small mass of protoplasm 2) to form a cell 3) a blood; cancer; egg; germ; nerve; sperm cell receptacle containing electrodes and an electrocyte 4) a dry; photoelectric; primary;… …
27Solar cell — A solar cell made from a monocrystalline silicon wafer …
28photoconductive cell — noun a transducer used to detect and measure light and other radiations • Syn: ↑photoelectric cell, ↑photocell, ↑electric eye, ↑magic eye • Hypernyms: ↑transducer, ↑detector, ↑sensor, ↑ …
29selenium cell — noun a photoelectric cell that uses a strip of selenium • Hypernyms: ↑photoelectric cell, ↑photoconductive cell, ↑photocell, ↑electric eye, ↑magic eye …
30pho|to|cell — «FOH tuh SEHL», noun. = photoelectric cell. (Cf. ↑photoelectric cell) …
