light bulb

Origin

light bulb

noun
an electric light.

Origin:
1880–85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Light bulb is always a great word to know.
So is ninnyhammer. Does it mean:
the offspring of a zebra and a donkey.
a fool or simpleton; ninny.
Collins
World English Dictionary
light bulb
 
n
Sometimes shortened to: 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 English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

light bulb
also lightbulb, 1884, from light (n.) + bulb.
Online Etymology Dictionary, © 2010 Douglas Harper
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Slang Dictionary

light bulb definition


  1. n.
    a pregnant woman. (Jocular. Refers to the shape of a pregnant woman.) : Who's the light bulb on the sofa?
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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