from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An abrupt change or step, especially in method, information, or knowledge: "War was going to take a quantum leap; it would never be the same” ( Garry Wills).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The discontinuous change of the state of an electron in an atom or molecule from one energy level to another.
- n. An abrupt change.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a sudden large increase or advance
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