from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Botany A short, modified, underground stem surrounded by usually fleshy modified leaves that contain stored food for the shoot within: an onion bulb; a tulip bulb.
- n. Botany A similar underground stem or root, such as a corm, rhizome, or tuber.
- n. Botany A plant that grows from a bulb.
- n. A rounded projection or part: the bulb of a syringe.
- n. An incandescent lamp or its glass housing.
- n. Anatomy A rounded dilation or expansion of a canal, vessel, or organ.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end.
- n. A light bulb.
- n. The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown.
- n. a bulbous protuberance at the forefoot of certain vessels to reduce turbulence.
- v. To take the shape of a bulb; to swell.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. A name given to some parts that resemble in shape certain bulbous roots.
- n. 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.
- n. a light bulb.
- intransitive v. To take the shape of a bulb; to swell.
from The Century Dictionary and Cyclopedia
- n. A form of the leaf-bud, usually subterranean, in which the stem is reduced to a flat disk, rooting from the under side, and bearing above closely appressed fleshy leaves.
- n. Any protuberance or expansion resembling a bulb, especially an expansion at the end of a stalk or long and slender body: as, the bulb of a thermometer; the bulb of the aorta.
- n. plural The tonsils.
- To project or be protuberant.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)
- n. electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
- n. a rounded dilation or expansion in a canal or vessel or organ
- n. a rounded part of a cylindrical instrument (usually at one end)
- n. a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
- n. anything with a round shape resembling a teardrop
Only works if the bulb is actually "on", as in: plugged in or not burned out, The water keeps flowing, safe to drink or not.
I would love to convert to fluorescent, but at least half the time the bulb is an unacceptable tint.
Ban the bulb is a no-brainer, only this time the empty-headed variety.
A warmer light, more like the glow of an incandescent bulb, is seen as essential to the widespread adoption of energy-efficient LED lighting.
As a comparison, the efficacy of a Philips 100 watt incandescent bulb is about 14 lm/watt, but only gives off 120 candelas for a lifespace of about 750-1000 hours.
The bulb is now the shape, the shape is now the light.
If you were to put this out in the market it would sell like crazy, and the idea of sound coming out of a bulb is just one of a kind.
He replied that "just because the light bulb is on, it doesn't mean that energy needs are being met."
Some LEDs, the electronic device mounted in the bulb, are made in the U.S., according to Boesenberg, and the final assembly of the LED bulb is largely done here.
As I see it, Cafferty (and a few-but-growing number of others) may have been a little slow on the up-take, but that the old (non-florescent) light bulb is finally starting to blink “On” for them is a good thing.