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or•tho•hy•dro•gen



Pronunciation: (ôr"thu-hī'dru-jun), [key]
n. Physics, Chem.
the form of molecular hydrogen in which the nuclei of the two hydrogen atoms contained in the molecule have spins in the same direction. Cf. parahydrogen.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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