work function definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The minimum amount of energy required to remove an electron from the surface of a metal.
work function - Computer Definition
The amount of photon energy required to cause an electron to be emitted from a material.