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Bulb   /bəlb/   Listen
Bulb

noun
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.  Synonyms: electric-light bulb, electric light, incandescent lamp, light bulb, lightbulb.
3.
A rounded part of a cylindrical instrument (usually at one end).
4.
Anything with a round shape resembling a teardrop.
5.
Lower or hindmost part of the brain; continuous with spinal cord; ('bulb' is an old term for medulla oblongata).  Synonyms: medulla, medulla oblongata.
6.
A rounded dilation or expansion in a canal or vessel or organ.



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bulb-shaped
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bulbaceous
bulbar
bulbil
bulblet
bulblike
bulbous
conjunctival layer of bulb
dry-bulb thermometer
electric-light bulb
flash bulb
light bulb
olfactory bulb
wet-bulb thermometer


WordNet 3.0 © 2010 Princeton University


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"Bulb" Quotes from Famous Books



... the most imposing and sacerdotal of bishops; but in private life none knew better how to disguise his cloth. He was moreover a man of parts, and from the construction of a Latin hexameter to the growing of a Holland bulb, had a word worth hearing on all subjects likely to engage the dilettante. A liking soon sprang up between Odo and this versatile prelate; and in the retirement of his lordship's cabinet, or pacing with him the garden-alleys set with ancient ...
— The Valley of Decision • Edith Wharton
... of those accidents that can occur easily in space. The passengers and the two crewmen on that particular waking shift (including Jakdane) were eating lunch on the center-deck. Quest picked up his bulb of coffee, but inadvertently pressed it before he got it to his lips. The coffee squirted all over the front of Asrange's ...
— The Jupiter Weapon • Charles Louis Fontenay
... innumerable holes, and running about those parts of the body that were uncovered, produced a titillation more intolerable than pain, except it is increased to great violence. Rumphius has also given an account of this bulb and its inhabitants, vol. vi. p. 120, where he mentions another ...
— A General History and Collection of Voyages and Travels, Vol. 13 • Robert Kerr
... or a bottle of hot water wrapped in cloth, towels wrung out of hot water, or even an electric light bulb, will ...
— Manual of Military Training - Second, Revised Edition • James A. Moss
... single unshaded electric bulb shone startlingly down to the bed, making plain the shadow of death even to an ...
— The City of Fire • Grace Livingston Hill


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