light bulb

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light bulb:

see lightinglighting,
light produced by artificial means to allow visibility in enclosures and at night. For stage lighting, see scene design and stage lighting. Early Sources of Artificial Lighting
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light bulb

[′līt ‚bəlb]
(electricity)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

light bulb

1. Same as incandescent lamp.
2.See lamp bulb.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

light bulb

a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
He said: "First Minister, there's an old joke about how many people it takes to change a lightbulb, but the question should be: what does it cost your Welsh Labour Government to change a lightbulb in Wales?
In addition, if the lightbulb is inserted into a "children's product," further regulations come into play.
The new version of the old lightbulb weighs in with a staggering 40% efficiency and they have the same 'colour rendering index' as the original bulbs.
"The suspension of the lightbulb has a direct relation to the suspension of belief: it references the floating sensation we feel while dreaming or our childhood fantasies of magic carpet rides and Hoverboards.
The fusion of Shu Uemura's expert oleo technology and the tapping motion with the uniquely shaped The Lightbulb sponge provide an artist's touch for the ideal finish.
No more propping up flashlights, no broken trouble lightbulbs, no shadows--none of those hassles.
HOW many mystery writers does it take to screw in a lightbulb? HOW many Premiership footballers does it take to screw in a light bulb?
THE other day the first of my new energy saving lightbulbs died.
Because the MEM BC3 lightbulb, as it's known in bulbophile circles, was created by Eaton Electrical after the introduction of new building legislation in 2002.
While it doesn't ban in can descents, it does set wattage limitations and other restrictions that will effectively eliminate the Edison lightbulb in its present form.
However, as rays emitted from a lightbulb aren't strictly parallel, it gets confused and tries to correct its direction by turning in flight.
Simply by choosing the right lightbulb, I can save energy.