Dictionary Definition
bulb
Noun
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
User Contributed Dictionary
English
Pronunciation
Noun
- Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end
- A light bulb
- The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown.
Related terms
Translations
rounded solid object
- Portuguese: bulbo
light bulb see light
bulb
bulb-shaped root
Extensive Definition
References
bulb in Bulgarian: Луковица
bulb in Catalan: Bulb
bulb in Czech: Cibule (orgán)
bulb in German: Zwiebel (Pflanzenteil)
bulb in Modern Greek (1453-): Βολβός
bulb in Spanish: Bulbo (botánica)
bulb in Esperanto: Bulbo
bulb in French: Bulbe
bulb in Italian: Bulbo
bulb in Hebrew: בצל
bulb in Hungarian: Hagyma (szerv)
bulb in Malay (macrolanguage): Bebawang
bulb in Dutch: Bol (biologie)
bulb in Japanese: 球根
bulb in Polish: Cebula (botanika)
bulb in Russian: Луковица
bulb in Simple English: Bulb
bulb in Slovak: Cibuľa (stonka)
bulb in Chinese: 鳞茎
Synonyms, Antonyms and Related Words
ball,
balloon, bilge, bladder, blain, bleb, blister, blob, boll, bolus, boss, bow, bubble, bulbil, bulblet, bulge, bulla, bump, bunch, burl, button, cahot, chine, clump, condyle, convex, corm, dowel, ear, ellipsoid, flange, flap, gall, geoid, globe, globelet, globoid, globule, glomerulus, gnarl, gob, gobbet, handle, hill, hump, hunch, jog, joggle, knob, knot, knur, knurl, lip, loop, lump, mole, mountain, nevus, nub, nubbin, nubble, oblate spheroid, orb, orbit, orblet, papilloma, peg, pellet, prolate spheroid,
radicle, radix, rhizome, rib, ridge, ring, rondure, root, rootstock, shoulder, sphere, spheroid, spherule, spine, stud, style, tab, tap, taproot, tuber, tubercle, tubercule, verruca, vesicle, wale, wart, welt