Meanings
nountrihydrogen (countable and uncountable, plural trihydrogens)
plural trihydrogens
- countableuncountableA 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
Synonyms & antonyms
nounA cation triangular molecule composed of three hydrogen atoms, or matter composed of such molecules. Symbol: H₃⁺.
Similar
hydrogenoniumhydrogen trimerprotonated molecular hydrogentriatomic hydrogen
Origin
Cite this entry
APA
trihydrogen. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/trihydrogen
MLA
“trihydrogen.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trihydrogen. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “trihydrogen,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/trihydrogen.
Source: trihydrogen on Wiktionary, CC BY-SA 4.0.