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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 hī
′
drə jən),
USA pronunciation
n.
[
Physics, Chem.
]
Chemistry, Physics
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.
ortho
- +
hydrogen
1925–30
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更新时间：2025/11/23 4:23:23