1 langley | Definition of langley

langley

noun
lang·​ley | \ ˈlaŋ-lē How to pronounce langley (audio) \
plural langleys

Definition of langley

 (Entry 1 of 3)

: a unit of solar radiation equivalent to one gram calorie per square centimeter of irradiated surface

Langley

biographical name
Lang·​ley | \ ˈlaŋ-lē How to pronounce Langley (audio) \

Definition of Langley (Entry 2 of 3)

Samuel Pierpont 1834–1906 American astronomer and airplane pioneer

Langley

geographical name
Lang·​ley | \ ˈlaŋ-lē How to pronounce Langley (audio) \

Definition of Langley (Entry 3 of 3)

municipality east-southeast of Vancouver in British Columbia, Canada population 104,177

Examples of langley in a Sentence

Recent Examples on the Web: Noun

One langley is the amount of energy required over a square centimeter to raise the temperature of one gram of water by one degree Celsius. — Tom Skilling, chicagotribune.com, "Ask Tom: How much stronger is sunlight in June?," 27 June 2018 Using 42 degrees N for the latitude of Chicago, about 300 langleys of radiation per day are received on the winter solstice, versus about 950 on the summer solstice. — Tom Skilling, chicagotribune.com, "Ask Tom: What causes differences in solar radiation in Chicago during the year?," 4 July 2017 Dear Tom, Several years ago, the Tribune weather page compared the amount of solar radiation, measured in langleys, on the winter and summer solstices. — Tom Skilling, chicagotribune.com, "Ask Tom: What causes differences in solar radiation in Chicago during the year?," 4 July 2017 Dear Tom, Several years ago, the Tribune weather page compared the amount of solar radiation, measured in langleys, on the winter and summer solstices. — Tom Skilling, chicagotribune.com, "Ask Tom: What causes differences in solar radiation in Chicago during the year?," 4 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'langley.' 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 langley

Noun

1947, in the meaning defined above

History and Etymology for langley

Noun

Samuel P. Langley

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More from Merriam-Webster on langley

Britannica.com: Encyclopedia article about langley