| 单词 | photocell |
| 释义 | photocell[ foh-toh-sel ] / ˈfoʊ toʊˌsɛl / noun Electronics.a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic control systems for doors, lighting, etc. Also called electric eye, photoelectric cell. Origin of photocellFirst recorded in 1890–95; photo- + cell Words nearby photocellphoto call, photocard, photocatalysis, photocatalyst, photocathode, photocell, photochemical, photochemical smog, photochemistry, photochemotherapy, photochromic Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for photocell
British Dictionary definitions for photocellphotocell / (ˈfəʊtəʊˌsɛl) / nouna device in which the photoelectric or photovoltaic effect or photoconductivity is used to produce a current or voltage when exposed to light or other electromagnetic radiation. They are used in exposure meters, burglar alarms, etcAlso called: photoelectric cell, electric eye Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for photocellphotocell [ fō′tō-sĕl′ ] See photoresistor. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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