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单词 ytterbium
释义 ytterbium
 —ytterbic, ytterbous,  adj.  
 /i terr"bee euhm/, n. Chem.
 a rare metallic element found in gadolinite and forming compounds resembling those of yttrium. Symbol: Yb; at. wt.: 173.04; at. no.: 70; sp. gr.: 6.96. Cf. rare-earth element.
 [1875-80; < NL; see YTTERBIA, -IUM]
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