dihydrogen

名词 n.
/ˌdaɪˈhaɪdɹəd͡ʒ(ə)n/    /ˌdaɪˈhaɪdɹəd͡ʒ(ə)n/

英文释义

名词 n.
  1. The divalent radical formed from two separate hydrogen atoms or ions. uncountable
  2. Describing a dihydrogen bond. uncountable
    — The Invisible Killer Dihydrogen monoxide is colorless, odorless, tasteless, and kills uncounted thousands of people every year. Most of these deaths are caused by accidental inhalation of DHMO, but the dangers of dihydrogen monoxide do not end there.
  3. The diatomic hydrogen molecule H₂. uncountable

词源

Etymology tree
English di-
Proto-Indo-European *wed-
Proto-Indo-European *-r̥
Proto-Indo-European *wódr̥
Proto-Hellenic *údōr
Ancient Greek ῡ̆̔́δωρ (hū̆́dōr)
Ancient Greek ὑδρο- (hudro-)lbor.
French hydro-
Proto-Indo-European *ǵenh₁-
Proto-Indo-European *-os
Proto-Indo-European *ǵénh₁os
Proto-Hellenic *génos
Ancient Greek γένος (génos)
Proto-Indo-European *-os
Proto-Indo-European *-ēs
Ancient Greek -ης (-ēs)
Ancient Greek -γενής (-genḗs)lbor.
French -gène
French hydrogènebor.
English hydrogen
English dihydrogen
From di- + hydrogen.
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