About The Word Bulb
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
| 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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