Armstrong line

English

Etymology

Named after Harry George Armstrong, who determined this limit.

Proper noun

Armstrong line

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

(altitude of boiling at ambient pressure): Armstrong's line, Armstrong limit

Coordinate terms

Translations

altitude at which water boils without a pressurized environment

Portuguese: linha de Armstrong f

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