Phrase guide

root mean square velocity

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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Across languages

Translations

3 source translations are retained for this English entry.

  • Chinese Mandarin: 均方根速度 (jūnfānggēn sùdù) — root mean square of the velocities of all molecules in a volume of gas
  • Finnish: keskimääräinen nopeus — root mean square of the velocities of all molecules in a volume of gas
  • Russian: среднеквадратическая скорость (srednekvadratičeskaja skorostʹ) — root mean square of the velocities of all molecules in a volume of gas