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Definition of Heavy spar
1. Noun. A white or colorless mineral (BaSO4); the main source of barium.
Exact synonyms: Barite, Barium Sulphate, Barytes
Terms within: Atomic Number 56, Ba, Barium
Generic synonyms: Mineral
Terms within: Atomic Number 56, Ba, Barium
Generic synonyms: Mineral
Medical Definition of Heavy spar
1.