parahydrogen

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Etymology

[edit]

para- +‎ hydrogen

Noun

[edit]

parahydrogen (countable and uncountable, plural parahydrogens)

  1. (physics) The form of the hydrogen molecule (H2) in which the two nuclei have antiparallel spin; about 25% of hydrogen at room temperature.

Antonyms

[edit]