D₂O
See also: Appendix:Variations of "do"
Translingual
editSymbol
editD₂O
- A molecule of heavy water, comprising two deuterium atoms and an oxygen atom.
- (informal, uncountable) heavy water
Usage notes
editIUPAC recommends that deuterium should be called by the chemical symbol "2H", not "D".[1] It follows that heavy water should be called "2H2O", not "D2O".