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单词 bulb
释义 Noun: bulb  búlb
  1. A modified bud consisting of a thickened globular underground stem serving as a reproductive structure 
  2. Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
    - light bulb, lightbulb, incandescent lamp, electric light, electric-light bulb, light globe [Austral, NZ] 
  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. A rounded dilation or expansion in a canal or vessel or organ 
  6. [archaic] Lower or hindmost part of the brain; continuous with spinal cord
    - medulla oblongata, medulla

Derived forms: bulbs

See also: bulbaceous, bulbar, bulbed, bulbous

Type of: anatomical structure, bodily structure, body structure, complex body part, electric lamp, neural structure, part, portion, round shape, stalk, stem, structure

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

Encyclopedia: Bulb

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更新时间:2024/9/23 3:22:17