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pilot light

noun
1.
Also called pilot, pilot burner. a small flame kept burning continuously, as in a gas stove or furnace, to relight the main gas burners whenever necessary or desired.
Origin of pilot light
1885-1890
1885-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for pilot light
Historical Examples
  • We can use a ground-service cable; rig a pilot light on it, and kick it out, as soon as they get in close.

    Greylorn John Keith Laumer
  • Most stoves are constructed so that there is a pilot light for the oven.

    Mechanical Devices in the Home Edith Louise Allen
  • The gas flame came from the pilot light like a slowly spreading stream or an unfolding flower.

    The Six Fingers of Time Raphael Aloysius Lafferty
  • Sometimes when the gas pressure is low, the pilot light will go out.

    Mechanical Devices in the Home Edith Louise Allen
  • Mr. Spokesly strained his eyes to catch the pilot light again.

    Command William McFee
  • Sinking back behind the hilltop, Brion covered the pilot light with his hand and turned on the transmitter.

    Planet of the Damned Harry Harrison
  • One of the functions of a pilot light is to prevent people from being burnt in case of an explosion in the oven.

    Mechanical Devices in the Home Edith Louise Allen
British Dictionary definitions for pilot light

pilot light

noun
1.
a small auxiliary flame that ignites the main burner of a gas appliance when the control valve opens
2.
a small electric light used as an indicator
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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Difficulty index for pilot light

Few English speakers likely know this word

Word Value for pilot

7
9
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