Meanings
nounpoint mass (plural point masses)
plural point masses · alternative pointmass
- mathematicsA probability distribution with unity probability mass at one specific outcome, and zero probability mass everywhere else.
Synonyms & antonyms
nounthe concept of either matter that is infinitely small, or an object which can be thought of as infinitely small.
Similar
pointlike mass
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Czech hmotný bod
- hmotný bodtheoretical point with mass assigned to it
Finnish massapiste
- massapistetheoretical point with mass assigned to it
Greek υλικό σημείο
- υλικό σημείο (ylikó simeío)theoretical point with mass assigned to it
Romanian punct material
- punct materialtheoretical point with mass assigned to it
Swedish punktmassa
- punktmassatheoretical point with mass assigned to it
Cite this entry
APA
point mass. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/point%20mass
MLA
“point mass.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/point%20mass. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “point mass,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/point%20mass.
Source: point mass on Wiktionary, CC BY-SA 4.0.