Bulb

Definition of Bulb

Pronunciation: bŭlb
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.
v. i.1.To take the shape of a bulb; to swell.

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
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Buggy plow
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Bugle horn
Bugled
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Bugleweed
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Buhl
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Buhrstone
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Building
buildup
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buirdly
Buke muslin
Bukshish
Bulau
-Bulb-
Bulb of a hair
Bulb of a tooth
Bulb of the eye
Bulb of the spinal cord
Bulbaceous
Bulbar
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Bulbel
Bulbiferous
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Bulbo-tuber
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Bulge hoop
Bulge ways
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