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Definition of BULB
Pronunciation : BULB

noun : BULB

Source:WordNet 3.1

  • 1. (

    ) a modified bud consisting of a thickened globular underground stem serving as a reproductive structure ;

  • 3. (

    ) a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe" ;

  • 4. (

    ) anything with a round shape resembling a teardrop ;

  • 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" ;

  • 6. (

    ) a rounded dilation or expansion in a canal or vessel or organ ;


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