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parahydrogen

From Wiktionary, the free dictionary

English

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Etymology

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From para- +‎ hydrogen.

Noun

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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

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