barium: Meaning and Definition of
Pronunciation: (bâr'ē-um, bar'-), [key]
— n. Chem.
- a whitish, malleable, active, divalent, metallic element, occurring in combination chiefly as barite or as witherite. Symbol: Ba; at. wt.: 137.34; at. no.: 56; sp. gr.: 3.5 at 20°C.
- barium (Thesaurus)
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