: a unit of solar radiation equivalent to one gram calorie per square centimeter of irradiated surface
Example Sentences
Recent Examples on the WebOne 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, 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, 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, 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, 4 July 2017
Word History
Etymology
Samuel P. Langley
First Known Use
1947, in the meaning defined above
Geographical Definition
Langley
geographical name
Lang·ley ˈlaŋ-lē
municipality east-southeast of Vancouver in British Columbia, Canada population 104,177
Biographical Definition
Langley
biographical name
Lang·ley ˈlaŋ-lē
Samuel Pierpont 1834–1906 American astronomer and airplane pioneer