photoelectron

[ foh-toh-i-lek-tron ]

/ ˌfoʊ toʊ ɪˈlɛk trɒn /

Save This Word!

noun Physics.

an electron emitted from a system by the photoelectric effect.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of photoelectron

First recorded in 1910–15; photo- + electron

Words nearby photoelectron

photoelectric effect, photoelectricity, photoelectric magnitude, photoelectric meter, photoelectric threshold, photoelectron, photoelectrotype, photoemission, photoeng., photoengrave, photoengraving

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for photoelectron

photoelectron

/ (ˌfəʊtəʊɪˈlɛktrɒn) /

noun

an electron ejected from an atom, molecule, or solid by an incident photon

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 photoelectron

photoelectron

[ fō′tō-ĭ-lĕk′trŏn′ ]

An electron released or ejected from a photoelectric substance, having absorbed energy from incoming light.