Denotation vs. Connotation

light bulb

an electric light.
Origin of light bulb
1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for light bulb
Contemporary Examples
Historical Examples
  • If New Mexico were to call, a light bulb would flash the signal in Tom's quarters, and he would telephone the house.

  • I might as well have worried about the effect of a light bulb on the sun.

    Question of Comfort Les Collins
  • It is the ether that carries the light across the vacuum in the light bulb as well as from the sun to the earth.

    The Story of Great Inventions Elmer Ellsworth Burns
  • He rested for a while, studying the light bulb which hung in the center of the room.

    The Martian Allen Glasser
  • The janitor may have stood on it to fix a light bulb or something.

    Signal in the Dark Mildred A. Wirt
British Dictionary definitions for light bulb

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 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

also lightbulb, 1884, from light (n.) + bulb.

Online Etymology Dictionary, © 2010 Douglas Harper
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