water vapor

English

Alternative forms

Noun

water vapor (countable and uncountable, plural water vapors)

  1. Water in a gaseous state, especially when diffused in the atmosphere.
    Synonym: aqueous vapor
    Hypernyms: vapor; water
    • 2019 September 11, Barbara Goldberg, “Water found in atmosphere of planet beyond our solar system”, in Steve Gorman, Lisa Shumaker, editors, Reuters[1], sourced from LONDON (Reuters), archived from the original on 16 May 2025:
      Water vapor was found in the atmosphere of K2-18b, one of hundreds of "super-Earths" - worlds ranging in size between Earth and Neptune - documented in a growing new field of astronomy devoted to the exploration of so-called exoplanets elsewhere in the Milky Way galaxy.
    1. Steam.

Translations

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Further reading