pilot light

noun

Definition of pilot light

1 : a small permanent flame used to ignite gas at a burner
2 : an indicator light showing where a switch or circuit breaker is located or whether a motor is in operation or power is on

called also pilot lamp

Examples of pilot light in a Sentence

Recent Examples on the Web

That’s a problem in colder weather because heaters have pilot lights and those relief valves release natural gas on a regular basis to maintain consistent pressure inside the lines. Anna Staver, The Denver Post, "Former employee says Colorado Natural Gas violated federal, state codes when installing gas systems at his home, others," 11 Sep. 2019 All that’s required is a tiny spark—from a pilot light, or someone turning on a burner on a stove, even a thermostat switching on. Nathaniel Penn, Popular Mechanics, "The Day the Town Blew Up," 3 June 2019 Once the regulator was repaired, all throughout the day Thursday, dozens of technicians went door to door, turning on gas and resetting pilot lights on appliances, heaters and furnaces. Vanesa Brashier, Houston Chronicle, "Leak in Cleveland attorney's home discovered when CenterPoint restored service," 18 Jan. 2018 The hot stove market, with 136 free agents still unemployed, barely has the flicker of a pilot light. Bob Nightengale, USA TODAY, "MLB's cold-hearted economics chill the hot stove, puts the freeze on elite players," 2 Jan. 2018 The sound was the same as when a match touches the pilot light of a stove, only louder and deeper, a spasm of air expanding so fast and hard against the warehouse walls that the whole building shuddered and shook. Sean Flynn, Esquire, "The Perfect Fire," 9 Mar. 2017 All that’s required is a tiny spark—from a pilot light, or someone turning on a burner on a stove, even a thermostat switching on. Nathaniel Penn, Popular Mechanics, "The Day the Town Blew Up," 3 June 2019 The sound was the same as when a match touches the pilot light of a stove, only louder and deeper, a spasm of air expanding so fast and hard against the warehouse walls that the whole building shuddered and shook. Sean Flynn, Esquire, "The Perfect Fire," 9 Mar. 2017 The hot stove market, with 136 free agents still unemployed, barely has the flicker of a pilot light. Bob Nightengale, USA TODAY, "MLB's cold-hearted economics chill the hot stove, puts the freeze on elite players," 2 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pilot light.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pilot light

1881, in the meaning defined at sense 1

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Statistics for pilot light

Last Updated

21 Sep 2019

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Time Traveler for pilot light

The first known use of pilot light was in 1881

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More Definitions for pilot light

pilot light

noun

English Language Learners Definition of pilot light

: a small flame that is always burning in a gas stove, burner, etc., and that is used to light a larger flame

More from Merriam-Webster on pilot light

Rhyming Dictionary: Words that rhyme with pilot light

Spanish Central: Translation of pilot light

Nglish: Translation of pilot light for Spanish Speakers

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