Word.ws English Dictionary

lbm

lbm is the abbreviation of pound-mass.

Meaning of pound-mass

Noun

pound-mass (plural pounds-mass)

  1. 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).2000 October 9, Gérard P. Michon, “What is a slug, in the [engineering] weight measurement system?”, in Numericana.com

Noun capitalized: LBM

LBM (plural LBMs)

  1. (abbreviation, initialism) Initialism of little brown mushroom: any of a large number of small, dull-coloured agaric species that are difficult to tell apart.
    • He reached in and pulled out about a dozen mushrooms, shriveled and dried beyond recognition, that could have been Conocybes, Inocybes, Coprini, Psathyrellae, or any of a dozen other kinds of LBMs, mostly inedible, some mildly to seriously toxic, and one, a Galerina, deadly poisonous.1986, Sarah Ann Friedman, Celebrating the Wild Mushroom: A Passionate Quest, page 139
    • All LBMs should be avoided as edibles.1999, George Barron, Mushrooms of Northeast North America: Midwest to New England, page 209
  2. (abbreviation, initialism) Initialism of long bone metastases.
    • Long bone metastases (LBM) are a common occurrence in patients with advanced cancer, arising in up to 70% of patients with advanced disease.2018, J.J. Willeumier et al., “An Easy-to-Use Prognostic Model for Survival Estimation for Patients with Symptomatic Long Bone Metastases”, in The Journal of Bone & Joint Surgery, volume 100, number...
  3. (abbreviation, initialism) Initialism of lattice Boltzmann method.
  4. (Philippines, abbreviation, initialism) Initialism of loose bowel movement: diarrhea.

Forms of lbm

pluralLBMs

Origin of lbm

See lb (“pound”).

Questions about lbm

What is lbm the abbreviation of?
Lbm is the abbreviation of pound-mass.
What part of speech is lbm?
Lbm is a noun.
What is the plural of lbm?
The plural of lbm is LBMs.

Words near lbm in the dictionary

  1. LBJ
  2. LBJs
  3. LBK
  4. LBL
  5. LBLs
  6. lbm
  7. LBMA
  8. LBMs
  9. LBNL
  10. LBO
  11. LBOs

Source and license

Adapted from Wiktionary: lbm (page history and authors); LBM (page history and authors); pound-mass (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “lbm.” Word.ws, https://word.ws/lbm. Based on Wiktionary, CC BY-SA 4.0.