Meanings
nounKnudsen flow (plural Knudsen flows)
plural Knudsen flows
- natural sciencesThe flow of a gas in which the mean free path of its molecules is much longer than the characteristic dimension of the tube etc that it is flowing through.
Synonyms: free molecule flow
Synonyms & antonyms
nounThe flow of a gas in which the mean free path of its molecules is much longer than the characteristic dimension of the tube etc that it is flowing through.
Similar
free molecule flow
Origin
From Martin Knudsen, Danish physicist.
Full word history & related roots →Translations
Hungarian Knudsen-áramlás
- Knudsen-áramlásflow of a gas
Cite this entry
APA
Knudsen flow. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Knudsen%20flow
MLA
“Knudsen flow.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Knudsen%20flow. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Knudsen flow,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Knudsen%20flow.
Source: Knudsen flow on Wiktionary, CC BY-SA 4.0.