Last modified on 16 February 2014, at 13:04

H₂O

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H₂O

  1. Water, by its molecular formula, although rarely pure.
  2. (chemistry) A molecule of water.
  3. (inorganic chemistry) light water, consisting of two protium isotope of hydrogen atoms and one oxygen atom

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NounEdit

H₂O (uncountable)

  1. Water as a chemical substance.
    • 1992, John R. Searle, The Rediscovery of the Mind, ISBN 9780262691543, page 157:
      A man may believe, for example, that the star in the sky is the Morning Star without believing that it is the Evening Star. A man may, for example, want to drink a glass of water without wanting to drink a glass of H₂O.