| 释义 | barium oxide
 barium oxiden  (Elements & Compounds) a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO. Also called: baryta  Thesaurus| Noun | 1. | barium oxide - an oxide of barium; a whitish toxic powderbarium monoxide, barium protoxidebaryta - any of several compounds of barium | 
 barium oxide
 barium oxide[′bar·ē·əm ′äk‚sīd]  (inorganic chemistry) BaO A white to yellow powder that melts at 1923°C; it forms the hydroxide with water; may be used as a dehydrating agent. Also known as barium monoxide; barium protoxide.barium oxide
 bar·i·um ox·ide, barium monoxideit is caustic, forming the strong base, Ba(OH)2, in water; used as a dehydrating agent. Synonym(s): barytabarium oxide
 Synonyms for barium oxidenoun an oxide of bariumSynonymsbarium monoxidebarium protoxide
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