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English
Etymology
From di- + hydrogen.
Pronunciation
Noun
dihydrogen (uncountable)
- (chemistry) The divalent radical formed from two separate hydrogen atoms or ions.
- (chemistry, modifying a noun) Describing a dihydrogen bond.
1995, John December, quoting Craig Jackson, The World Wide Web Unleashed, 2nd edition, Indianapolis, Ind.: Sams.net, →ISBN, page 450:The Invisible Killer Dihydrogen monoxide is colorless, odorless, tasteless, and kills uncounted thousands of people every year. Most of these deaths are caused by accidental inhalation of DHMO, but the dangers of dihydrogen monoxide do not end there.
- (inorganic chemistry) The hydrogen molecule H2.
Usage notes
Derived terms