from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The state of least possible energy in a physical system, as of elementary particles. Also called ground level.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the stationary state of lowest energy of a particle or system of particles
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (physics) the lowest energy state of an atom or other particle
Sorry, no etymologies found.