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orthohydrogen
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Contents
1
English
1.1
Etymology
1.2
Noun
1.2.1
Antonyms
English
edit
English
Wikipedia
has an article on:
orthohydrogen
Wikipedia
Etymology
edit
From
ortho-
+
hydrogen
.
Noun
edit
orthohydrogen
(
countable
and
uncountable
,
plural
orthohydrogens
)
(
physics
)
form
of the
hydrogen
molecule
(H
2
) in which the two
nuclei
have
parallel
spin
; about 75% of natural hydrogen
Antonyms
edit
parahydrogen
Categories
:
English terms prefixed with ortho-
English lemmas
English nouns
English uncountable nouns
English countable nouns
en:Physics
en:Hydrogen
English 5-syllable words
Hidden categories:
English entries with language name categories using raw markup
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