pound-mass

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pound-mass

Where it comes from

From pound + mass, to differentiate from the unit of weight.

noun pounds-mass

A unit of mass equal to the weight, on earth (subject to standard gravity), of a mass of one avoirdupois pound, equal to about 453.592 grams. Symbol lbm or lbₘ. On the moon, however the weight of a pound-mass (lb or lbm) is only about one sixth of a pound-force (lbf).

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MLA

"pound-mass." Wiktionary, via Micwyn, micwyn.com/word/pound-mass. Accessed 6 Nov. 2026.

APA

pound-mass. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/pound-mass

Chicago

"pound-mass." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/pound-mass.

BibTeX

@misc{pound_mass_2026,
  title = {pound-mass},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/pound-mass},
  urldate = {2026-11-06}
}