Dictionary.com

photoelectric threshold

Save This Word!

noun Physics.

the minimum frequency or maximum wavelength of incident radiation necessary to release photons from a given surface.

QUIZZES

QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!

Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for photoelectric threshold

See Today's Synonym