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7 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 bulb /ˈbʌlb/
 燈泡;球狀物

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 bulb /ˈbəlb/ 名詞
 壺腹,十二指腸球,鱗莖,球,延髓

From: Taiwan MOE computer dictionary

 bulb
 燈泡

From: Network Terminology

 bulb
 燈泡

From: Webster's Revised Unabridged Dictionary (1913)

 Bulb n.
 1. Bot. A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and producing, as it grows, a stem above, and roots below, as in the onion, tulip, etc. It differs from a corm in not being solid.
 2. Anat. A name given to some parts that resemble in shape certain bulbous roots; as, the bulb of the aorta.
 Bulb of the eye, the eyeball.
 Bulb of a hair, the “root,” or part whence the hair originates.
 Bulb of the spinal cord, the medulla oblongata, often called simply bulb.
 Bulb of a tooth, the vascular and nervous papilla contained in the cavity of the tooth.
 3. An expansion or protuberance on a stem or tube, as the bulb of a thermometer, which may be of any form, as spherical, cylindrical, curved, etc.
 3. a light bulb.

From: Webster's Revised Unabridged Dictionary (1913)

 Bulb, v. i. To take the shape of a bulb; to swell.
 

From: WordNet (r) 2.0

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