barium sulphate
1.
(
noun
) a white insoluble radiopaque powder used as a pigment
Synonyms:
blanc fixe
Related Words:
sulfate
,
sulphate
2.
(
noun
) a white or colorless mineral (BaSO4); the main source of barium
Synonyms:
barite
,
barytes
,
heavy spar
Related Words:
mineral
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