from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The physical mass of a body when it is regarded as being at rest.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the mass of a body when it is not moving relative to an observer
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body
Sorry, no etymologies found.