English dictionary
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English noun: bulb | |||
| 1. | bulb (plant) a modified bud consisting of a thickened globular underground stem serving as a reproductive structure | ||
| Broader (hypernym) | stalk, stem | ||
| Narrower (hyponym) | bulbil, bulblet, onion, shallot, squill | ||
| 2. | bulb (artifact) electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity | ||
| Synonyms | electric light, electric-light bulb, incandescent lamp, light bulb, lightbulb | ||
| Broader (hypernym) | electric lamp | ||
| Part holonym | filament | ||
| 3. | bulb (artifact) a rounded part of a cylindrical instrument (usually at one end) | ||
| Samples | The bulb of a syringe. | ||
| Broader (hypernym) | part, portion | ||
| Part meronym | mercury thermometer, mercury-in-glass thermometer, syringe | ||
| 4. | bulb (shape) anything with a round shape resembling a teardrop | ||
| Broader (hypernym) | round shape | ||
| 5. | bulb (body) lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata) | ||
| Samples | The medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning. | ||
| Synonyms | medulla, medulla oblongata | ||
| Broader (hypernym) | neural structure | ||
| Part holonym | respiratory center | ||
| Part meronym | brain stem, brain-stem, brainstem | ||
| 6. | bulb (body) a rounded dilation or expansion in a canal or vessel or organ | ||
| Broader (hypernym) | anatomical structure, bodily structure, body structure, complex body part, structure | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk