| 单词 | indium |
| 释义 | indium /in"dee euhm/, n. Chem. a rare metallic element, soft, white, malleable, and easily fusible, found combined in various ore minerals, esp. sphalerite: so called from the two indigo-blue lines in its spectrum. Symbol: In; at. wt.: 114.82; at. no.: 49; sp. gr.: 7.3 at 20°C. [1860-65; < NL, equiv. to ind(icum) INDIGO + -ium -IUM] |
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