About The Word Bulb
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Learn about the word Bulb to help solve your crossword puzzle. Discover Bulb definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Bulb
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Bulb Definition And Meaning |
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What's The Definition Of Bulb?
[n] a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe"
[n] electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated [n] a rounded dilation or expansion in a canal or vessel or organ [n] 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" [n] a modified bud consisting of a thickened globular underground stem serving as a reproductive structure Synonyms | Synonyms for Bulb: electric light | electric-light bulb | incandescent lamp | light bulb | lightbulb | medulla | medulla oblongata Related Terms | Find terms related to Bulb: 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 See Also | anatomical structure | bodily structure | body structure | bulbil | bulblet | complex body part | electric lamp | filament | hindbrain | mercury thermometer | mercury-in-glass thermometer | neural structure | onion | part | portion | respiratory center | rhombencephalon | shallot | squill | stalk | stem | structure | syringe Bulb In Webster's Dictionary \Bulb\ (b[u^]lb), n. [L. bulbus, Gr. bolbo`s: cf. F.
bulbe.]
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. --Tomlinson.
\Bulb\, v. i. To take the shape of a bulb; to swell. |
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