| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024cad•mi•um (kad′mē əm),USA pronunciation n. - Chemistrya white, ductile divalent metallic element resembling tin, used in plating and in making certain alloys. Symbol: Cd;
at. wt.: 112.41;
at. no.: 48;
sp. gr. 8.6 at 20°C.
- Greek Kadmeía gê Cadmean earth) + -ium -ium
- Neo-Latin, equivalent. to Latin cadm(īa) calamine (origin, originally Cadmēa terra
- 1815–25
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