HII
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Translingual[edit]
Alternative forms[edit]
Etymology[edit]
Symbol[edit]
- (chemistry, spectroscopy) ionized hydrogen; an atomic hydrogen ion needing 1 electron to become neutral; a free hydrogen nucleus; a hydron
Synonyms[edit]
- H+
- H1+
Hyponyms[edit]
- D+
- D1+
- T+
- T1+
- p (proton)
Related terms[edit]
Descendants[edit]
- English: HII emission line, HII emission line, H-II emission line, H II emission line
- English: HII region, HII region, H-II region, H II region