trihydrogen
nounEtymology From tri- + hydrogen.
1
A cation triangular molecule composed of three hydrogen atoms, or matter composed of such molecules. Symbol: H₃⁺.
- Synonyms
- hydrogenonium, hydrogen trimer, protonated molecular hydrogen, triatomic hydrogen
- Derived terms
- trihydrogen diphosphate, trihydrogen oxide, trihydrogen tetrafluoride
- Related terms
- dihydrogen, heptahydrogen, hexahydrogen, hydrogen, monohydrogen, nonahydrogen, octahydrogen, pentahydrogen, tetrahydrogen
- Hyponyms
- trideuterium, triprotium, tritritium
- Coordinate terms
- decahydride, dihydride, heptahydride, hexahydride, hydride, monohydride, nonahydride, octahydride, pentahydride, tetrahydride, trihydride