orthohydrogen

US:USA pronunciation: respellingUSA pronunciation: respelling(ôr′thə hī′drə jən)


WordReference Random House Unabridged Dictionary of American English © 2025
or•tho•hy•dro•gen  (ôr′thə hī′drə jən),USA pronunciation n. [Physics, Chem.]
  1. Chemistry, Physicsthe 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. 
  • ortho- + hydrogen 1925–30

'orthohydrogen' also found in these entries (note: many are not synonyms or translations):
International Practical Temperature Scale - ortho- - parahydrogen

Forum discussions with the word(s) "orthohydrogen" in the title:


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