dihydrogen
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English[edit]
Etymology[edit]
Noun[edit]
dihydrogen (uncountable)
- (chemistry) The divalent radical formed from two separate hydrogen atoms or ions
- (chemistry, modifying a noun) Describing a dihydrogen bond
- (inorganic chemistry) The hydrogen molecule H2
Usage notes[edit]
- Used informally in dihydrogen monoxide, the supposed scientific name for water
- Used in mixed salts, such as calcium dihydrogen phosphate