dihydrogen
English
Etymology
di- + hydrogen
Noun
dihydrogen (uncountable)
- (chemistry) The divalent radical formed from two separate hydrogen atoms or ions.
- (chemistry, modifying a noun) Describing a dihydrogen bond.
Usage notes
- Used informally in dihydrogen monoxide, the supposed scientific name for water
- Used in mixed salts, such as calcium dihydrogen phosphate
Derived terms
- calcium dihydrogen phosphate
- dihydrogen arsenate
- dihydrogen monoxide
- dihydrogen oxide
- dihydrogen phosphate