| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024em•a•na•tion (em′ə nā′shən),USA pronunciation n. - an act or instance of emanating.
- something that emanates or is emanated.
- Chemistry[Physical Chem.]a gaseous product of radioactive disintegration, including radon, thoron, and actinon. Symbol: Em
- Late Latin ēmānātiōn- (stem of ēmānātiō), equivalent. to ēmānāt(us) (see emanate) + -iōn- -ion
- 1560–70
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