| Pronunciation: | | 'hevee spâr
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 WordNet Dictionary |
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| | Definition: | |
[n] a white or colorless mineral (BaSO4); the main source of barium |
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| | Synonyms: | | barite, barium sulphate, barytes |
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| | See Also: | | atomic number 56, Ba, barium, mineral |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Heav"y spar`\ (Min.)
Native barium sulphate or barite, -- so called because of its
high specific gravity as compared with other non-metallic
minerals.
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