1. A hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
   - osmium, Os

Type of: metal, metallic element

• bobwhite quail
• Boccaccio
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• bocconia
• Bocconia frutescens
• Boche
• bock
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• bod
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• Boddhisatva
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• Bodensee
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• Bodhisattva
• bodice
• bodice ripper
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• bodiless