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单词 orthohydrogen
释义

WordReference Random House Unabridged Dictionary of American English © 2024
or•tho•hy•dro•gen  (ôr′thə hīdrə 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

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