H₂O
(Redirected from H20)
Translingual edit
Pronunciation edit
Symbol edit
H₂O
- (generally) water (even if not chemically pure)
- 1992, John R. Searle, The Rediscovery of the Mind (in English), →ISBN, 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.
- (chemistry) (a molecule of) water
Usage notes edit
Deuterium should be called by the chemical symbol "2H", not "D".[1] Therefore, even heavy water (often called D2O) should properly be called H2O; 2H2O to be precise. Likewise, super-heavy water should be called 3H2O, not T2O.
Derived terms edit
Related terms edit
- D₂O (“heavy water”)
- DHO (“semi-heavy water”)
See also edit
- H₂O₂ (“hydrogen peroxide”)
- English DHMO (“dihydrogen monoxide”)
References edit
English edit
Etymology edit
Two H initials (Hishammuddin Hussein) represented by H₂ + O for Onn, chosen to humorously match the chemical formula for water.
Pronunciation edit
Proper noun edit
H₂O
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