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Knudsen gas

Knudsen gas noun: a gas in a state of such low density that the average distance travelled by the its molecules between collisions (mean free path) is greater than the diameter of the receptacle that contains it.

Noun

Knudsen gas (plural Knudsen gases)

  1. A gas in a state of such low density that the average distance travelled by the its molecules between collisions (mean free path) is greater than the diameter of the receptacle that contains it.

Forms of Knudsen gas

pluralKnudsen gases

Origin of Knudsen gas

Named after Danish physicist Martin Knudsen.

Questions about Knudsen gas

What does Knudsen gas mean?
Knudsen gas means a gas in a state of such low density that the average distance travelled by the its molecules between collisions (mean free path) is greater than the diameter of the receptacle that contains it.
What part of speech is Knudsen gas?
Knudsen gas is a noun.
What is the plural of Knudsen gas?
The plural of Knudsen gas is Knudsen gases.

Words near Knudsen gas in the dictionary

  1. knucks
  2. Knud Rasmussen Land
  3. Knudsen
  4. Knudsen flow
  5. Knudsen flows
  6. Knudsen gas
  7. Knudsen gases
  8. Knudsen layer
  9. Knudsen layers
  10. Knudsen number
  11. Knudsen numbers

Source and license

Adapted from Wiktionary: Knudsen gas (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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