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单词 bulb
释义
Bulb
nnoun.planta modified bud consisting of a thickened globular underground stem serving as a reproductive structure
Derivationally Related Form:bulbaceous
Hypernyms:stalk stem
Inherited Hypernyms:bulbstalkplant organplant partnatural objectwholeobjectphysical entityentity
Direct Hyponyms:bulbilbulbletonionshallotsquill
Full Hyponyms:
bulbilonionshallotsquill
nnoun.artifactelectric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
Synset:electric-light bulb electric light incandescent lamp light bulb lightbulb
Hypernyms:electric lamp
Inherited Hypernyms:light bulbelectric lamplampsource of illuminationdeviceinstrumentalityartifactwholeobjectphysical entityentity
Part Meronyms:filament
nnoun.artifacta rounded part of a cylindrical instrument (usually at one end)
Examples:
  • the bulb of a syringe
Derivationally Related Form:bulbous
Part Holonyms:mercury-in-glass thermometer mercury thermometer syringe
Hypernyms:part portion
Inherited Hypernyms:bulbpartobjectphysical entityentity
nnoun.shapeanything with a round shape resembling a teardrop
Derivationally Related Form:bulblike
Hypernyms:round shape
Inherited Hypernyms:bulbround shapeshapeattributeabstractionentity
nnoun.bodylower or hindmost part of the brain; continuous with spinal cord; ('bulb' is an old term for medulla oblongata)
Synset:medulla medulla oblongata
Examples:
  • the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning
Derivationally Related Form:bulbarmedullary
Part Holonyms:brain-stem brain stem brainstem
Hypernyms:neural structure
Inherited Hypernyms:medulla oblongataneural structurestructurebody partpartthingphysical entityentity
Part Meronyms:respiratory center
nnoun.bodya rounded dilation or expansion in a canal or vessel or organ
Derivationally Related Form:bulbous
Hypernyms:anatomical structure bodily structure body structure complex body part structure
Inherited Hypernyms:bulbstructurebody partpartthingphysical entityentity
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更新时间:2025/1/11 3:04:57