Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

photoelectric effect

noun

Definition of photoelectric effect

  1. :  the emission of free electrons from a metal surface when light strikes it



1892

First Known Use of photoelectric effect

1892


Learn More about photoelectric effect


Seen and Heard

What made you want to look up photoelectric effect? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

not forbidden by law

Get Word of the Day daily email!