Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. form of the hydrogen molecule in which the two nuclei have parallel spin; about 75% of natural hydrogen

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

ortho- +‎ hydrogen

Examples

  • "If," he said pontifically, "they are oriented in the same direction, we refer to the substance as _orthohydrogen_.

    Unwise Child

  • "Indeed," he rambled on, "Treadmore babbled for Heaven knows how long on the relative occurrence of parahydrogen and orthohydrogen on

    Unwise Child

Comments

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