Dictionary

  Definition of bulb
  1. a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe"
  2. electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated
  3. a rounded dilation or expansion in a canal or vessel or organ
  4. 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"
  5. a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
Similar Words: light bulb, lightbulb, incandescent lamp, electric light, electric-light bulb, medulla oblongata, medulla

 

Hyponyms: onion, shallot, squill, bulbil, bulblet

 

Part Meronyms: mercury thermometer, mercury-in-glass thermometer, syringe, brainstem, brain-stem, brain stem

 

Anagrams: bull, Bull, blub

 

 
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