dihydrogen
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