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orthohydrogen
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Contents
1
English
1.1
Etymology
1.2
Noun
1.2.1
Antonyms
English
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English
Wikipedia
has an article on:
orthohydrogen
Wikipedia
Etymology
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ortho-
+
hydrogen
Noun
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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