资料来源 : pyDict

重土,氧化钡

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Baryta \Ba*ry"ta\, n. [Gr. ? heavy. Cf. {Baria}.] (Chem.)
   An oxide of barium (or barytum); a heavy earth with a
   specific gravity above 4.

资料来源 : WordNet®

baryta
     n : any of several compounds of barium