Dictionary.com

light bulb

noun

an electric light.

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Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
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Origin of light bulb

First recorded in 1880–85

Words nearby light bulb

light bomber, light box, light bread, light breeze, light bridge, light bulb, light bulb moment, light cannon, light chain, light colonel, light cream
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for light bulb

light bulb

noun

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 itSometimes 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