Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A unit of mass equal to about 0.453592 kilogram, having a weight of one pound-force in a gravitational field of one gee.
Etymologies
Sorry, no etymologies found.
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Examples
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So under common conditions, a pound-mass weighs a pound-force, but when one is out of earth's gravity that equivalence fails.
Wired Campus 2010
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On Monday, not only did I lecture on the difference between weight and mass, but I did the whole spiel on the relation between pound-force (lbf), pound-mass (lbm), and slug (this is an engineering class, after all).
Wired Campus 2010
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On Monday, not only did I lecture on the difference between weight and mass, but I did the whole spiel on the relation between pound-force (lbf), pound-mass (lbm), and slug (this is an engineering class, after all).
Wired Campus 2010
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On Monday, not only did I lecture on the difference between weight and mass, but I did the whole spiel on the relation between pound-force (lbf), pound-mass (lbm), and slug (this is an engineering class, after all).
Wired Campus 2010
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