Word.ws English Dictionary

Armstrong line

Armstrong line proper noun: the altitude above sea level at which water boils without a pressurized environment, and at which a person would require a pressure suit or pressurized environment to survive, and avoid having their bodily fluids boil away.

Proper noun

Armstrong line

  1. The altitude above sea level at which water boils without a pressurized environment, and at which a person would require a pressure suit or pressurized environment to survive, and avoid having their bodily fluids boil away.

Synonyms of Armstrong line

Forms of Armstrong line

alternative formArmstrong's line

Origin of Armstrong line

Named after Harry George Armstrong (1899–1983), who determined this limit.

Questions about Armstrong line

What does Armstrong line mean?
Armstrong line means the altitude above sea level at which water boils without a pressurized environment, and at which a person would require a pressure suit or pressurized environment to survive, and avoid having their bodily fluids boil away.
What part of speech is Armstrong line?
Armstrong line is a proper noun.

Words near Armstrong line in the dictionary

  1. Armstrong County
  2. Armstrong Creek
  3. Armstrong gun
  4. Armstrong guns
  5. Armstrong Limit
  6. Armstrong line
  7. Armstrong numbers
  8. Armstrong oscillator
  9. Armstrong oscillators
  10. Armstrong's axioms
  11. Armstrong's line

Source and license

Adapted from Wiktionary: Armstrong line (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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