photodiode

[ foh-toh-dahy-ohd ]
/ ˈfoʊ toʊˌdaɪ oʊd /

noun Electronics.

a photosensitive semiconductor diode.

QUIZZES

"EVERYDAY" VS. "EVERY DAY" QUIZ: IS IT ONE WORD OR TWO?

An everyday activity is one you do every day. (Thanks, English.) Practice using "everyday," one word, and "every day," two words, in this fun quiz with … everyday example sentences!
Question 1 of 16
“Everyday" is an adjective that describes things that happen habitually or items that are normal items or events.

Origin of photodiode

First recorded in 1940–45; photo- + diode
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for photodiode

photodiode
/ (ˌfəʊtəʊˈdaɪəʊd) /

noun

a semiconductor diode, the conductivity of which is controlled by incident illumination
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 photodiode

photodiode
[ fōtō-dī′ōd′ ]

A diode that exhibits sensitivity to light, either by varying its electrical resistance like a photoresistor, or generating a electric potential in the manner of a photoelectric cell. See more at photoelectric.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.