n.
The physical mass of a body when it is regarded as being at rest.
rest mass
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n.
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| Medical Dictionary: rest mass |
n.
The physical mass of a body when it is regarded as being at rest.
| WordNet: rest mass |
Note: click on a word meaning below to see its connections and related words.
The noun has one meaning:
Meaning #1:
(physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body
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 | rest energy |
| neutrino |
| electron mass (physics) |
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Copyrights:
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |
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Mentioned in
- rest energy
- neutrino
- electron mass (physics)
- four-force (relativity)
- graviton (physics)
- material particle (mechanics)
- relativistic mass (relativity)
- mass-energy conservation (relativity)
- two-component neutrino theory (particle physics)
- Yukawa meson (particle physics)
- electron
- longitudinal mass (relativity)
- particle energy
- transverse mass (relativity)
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