noun \ˈlaŋ-lē\
plural langleys

Definition of LANGLEY

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

Origin of LANGLEY

Samuel P. Langley
First Known Use: 1947


biographical name \ˈlaŋ-lē\

Definition of LANGLEY

Samuel Pierpont 1834–1906 Am. astron. & airplane pioneer


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