parahydrogen en · NOUN
Pronunciation
- /ˌpæɹəˈhaɪdɹəd͡ʒ(ə)n/ (Received-Pronunciation)
- /ˌpɛɹəˈhaɪdɹəd͡ʒ(ə)n/ (General-American)
Etymology
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Hellenic *pərai Ancient Greek πᾰρᾰ́ (părắ) Ancient Greek πᾰρᾰ- (pără-)der. English para- 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 Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -γενής (-genḗs)lbor. French -gène French hydrogènebor. English hydrogen English parahydrogen From para- + hydrogen.
Meanings
- (countable, uncountable) The form of the hydrogen molecule (H₂) in which the two nuclei have antiparallel spin; about 25% of hydrogen at room temperature.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| parahydrogens | Number=Plur | lexicographic |