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light bulb

noun
1.
an electric light.
Origin
1880-1885
1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for light bulb
  • The common incandescent light bulb will soon become a lot less common.
  • He has often told me that the light bulb came back on the day he started consuming medium-chain fatty acids.
  • The new material could be used to make a novel type of organic light bulb.
  • Most of that ends up as heat, so you warm a room as much as a bright light bulb.
  • Touching a picture of a light bulb lit up an actual bulb.
  • There is nothing else in the room-except a bare light bulb on the ceiling, well out of reach.
  • Second, the light bulb gives light in all directions so you only see a small part of the whole.
  • The same applies to as simple a thing as a light bulb.
  • They are to regular conductors what a laser beam is to a light bulb.
  • So you are better of using an efficient light bulb to generate light and an efficient heat source to generate heat.
British Dictionary definitions for light bulb

light bulb

noun
1.
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 Sometimes shortened to bulb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for light bulb
light bulb
also lightbulb, 1884, from light (n.) + bulb.
Online Etymology Dictionary, © 2010 Douglas Harper
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Word of The Day

Difficulty index for light bulb

Few English speakers likely know this word

Word Value for light

9
10
Scrabble Words With Friends

Quotes with light bulb