rest mass

noun

The mass of a body when it is not moving relative to an observer.

Meanings

nounrest mass (plural rest masses)

plural rest masses

  1. natural sciencesThe mass of a body when it is not moving relative to an observer.

Translations

Catalan massa en repòs
  • massa en repòsmass of a body when it is not moving
Chinese Mandarin 靜止質量 /静止质量
  • 靜止質量 /静止质量 (jìngzhǐ zhìliàng)mass of a body when it is not moving
Danish hvilemasse
  • hvilemassemass of a body when it is not moving
Finnish lepomassa
  • lepomassamass of a body when it is not moving
French masse au repos
  • masse au reposmass of a body when it is not moving
German Ruhemasse
  • Ruhemassemass of a body when it is not moving
Hungarian nyugalmi tömeg
  • nyugalmi tömegmass of a body when it is not moving
Italian massa a riposo, massa invariante
  • massa a riposomass of a body when it is not moving
  • massa invariantemass of a body when it is not moving
  • massa intrinsecamass of a body when it is not moving
Polish masa spoczynkowa
  • masa spoczynkowamass of a body when it is not moving
Portuguese massa invariante
  • massa invariantemass of a body when it is not moving
Russian ма́сса поко́я
  • ма́сса поко́я (mássa pokója)mass of a body when it is not moving
Spanish masa invariante, masa en reposo
  • masa invariantemass of a body when it is not moving
  • masa en reposomass of a body when it is not moving
Turkish değişmez kütle, durgun kütle
  • değişmez kütlemass of a body when it is not moving
  • durgun kütlemass of a body when it is not moving
  • gerçek kütlemass of a body when it is not moving
  • tam kütlemass of a body when it is not moving
Cite this entry
APA

rest mass. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/rest%20mass

MLA

“rest mass.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rest%20mass. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “rest mass,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/rest%20mass.

Source: rest mass on Wiktionary, CC BY-SA 4.0.