Definition
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noun : BULB
Source:WordNet 3.1
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1. (
) a modified bud consisting of a thickened globular underground stem serving as a reproductive structure ;
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2. (
) electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity ;
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3. (
) a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe" ;
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4. (
) anything with a round shape resembling a teardrop ;
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5. (
) lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata); "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning" ;
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6. (
) a rounded dilation or expansion in a canal or vessel or organ ;
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