from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A principle in classical physics stating that the total mass of an isolated system is unchanged by interaction of its parts.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A conservation law of classical physics that states that the total mass of a closed system remains constant regardless of the chemical or physical changes that take place within it.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
Sorry, no etymologies found.