a usually subterranean and often globular bud having fleshy leaves emergent at the top and a stem reduced to a flat disk, rooting from the underside, as in the onion and lily.
a plant growing from such a bud.
any round, enlarged part, especially at the end of a cylindrical object: the bulb of a thermometer.
Electricity.
the glass housing, in which a partial vacuum has been established, that contains the filament of an incandescent electric lamp.
an incandescent or fluorescent electric lamp.
Anatomy. any of various small, bulb-shaped structures or protuberances: olfactory bulb; bulb of urethra.
medulla oblongata.
Building Trades. a rounded thickening at the toe of an angle iron or tee.
Nautical. a cylindrical or spherical prominence at the forefoot of certain vessels.
Photography. a shutter setting in which the shutter remains open as long as the shutter release is depressed. Symbol: B
So, at the Home Depot in Connecticut, a 40-watt bulb costs $4.97, and a 60-watt bulb costs $6.97.
Why You Should Give LED Light Bulbs for Christmas. Seriously.|Daniel Gross|December 4, 2013|DAILY BEAST
In 25,000 hours a regular 75-watt bulb would use $262.50 of electricity.
Why You Should Give LED Light Bulbs for Christmas. Seriously.|Daniel Gross|December 4, 2013|DAILY BEAST
The 40-watt bulb costs $9.97 and the 60-watt bulb retails for $12.97.
Why You Should Give LED Light Bulbs for Christmas. Seriously.|Daniel Gross|December 4, 2013|DAILY BEAST
Specifically, the law said a bulb should provide 100 watts of brightness while using 72 watts or less.
The Best Green Idea in Obama’s Climate-Change Speech|Daniel Gross|June 25, 2013|DAILY BEAST
By May, its bulb can grow as big as two centimeters, and turns pink and then a deep red as it matures.
The Wonderful World of Ramps|Jeff Gimmel|April 26, 2011|DAILY BEAST
Allow the bulb and tube to cool, then repeat the heating once more.
A Handbook of Laboratory Glass-Blowing|Bernard D. Bolas
He clasped the bulb again and again threw it dramatically away.
The Regent|E. Arnold Bennett
When a bulb is not of a sufficiently regular form, it may sometimes be re-made by re-collecting the glass, and re-blowing it.
The Methods of Glass Blowing and of Working Silica in the Oxy-Gas Flame|W. A. Shenstone
The bulb, however, did not always change hands, often serving merely as a gambling basis; it even may not have existed at all.
A Wanderer in Holland|E. V. Lucas
Lamps that waste electricity are those which have (bad wiring) (frayed cords) (dirty shades or bulb).
Electricity for the 4-H Scientist|Eric B. Wilson
British Dictionary definitions for bulb
bulb
/ (bʌlb) /
noun
a rounded organ of vegetative reproduction in plants such as the tulip and onion: a flattened stem bearing a central shoot surrounded by fleshy nutritive inner leaves and thin brown outer leavesCompare corm
a plant, such as a hyacinth or daffodil, that grows from a bulb
See light bulb
a rounded part of an instrument such as a syringe or thermometer
anatomya rounded expansion of a cylindrical organ or part, such as the medulla oblongata
Also called: bulbous bowa bulbous protuberance at the forefoot of a ship to reduce turbulence
A rounded underground storage organ that contains the shoot of a new plant. A bulb consists of a short stem surrounded by fleshy scales (modified leaves) that store nourishment for the new plant. Tulips, lilies, and onions grow from bulbs. Compare cormrhizomerunnertuber.