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| neb·u·la [ nébbyələ ] (plural neb·u·lae [ nébbyə l ] or neb·u·las) |
noun |
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| Definition: |
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space dust: a region or cloud of interstellar dust and gas appearing variously as a hazy bright or dark patch
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| [Mid-17th century. < Latin, "mist, vapor"] |
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 neb·u·lar adjective |
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