| 单词 | terbium |
| 释义 | terbium —terbic, adj. /terr"bee euhm/, n. Chem. a rare-earth, metallic element present in certain minerals and yielding colorless salts. Symbol: Tb; at. no.: 65; at. wt.: 158.924; sp. gr.: 8.25. [1835-45; (Yt)terb(y), name of Swedish town where found + -IUM. See YTTERBIUM] |
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