lang·ley (lāng'lē) n.
pl.lang·leys A unit equal to one gram calorie per square centimeter of irradiated surface, used to measure solar radiation.
[After Samuel Pierpoint Langley.]
Lang·ley (lāng'lē) A peak, 4,227.9 m (14,026 ft) high, in the Sierra Nevada of southern California.
Langley, Samuel Pierpoint 1834-1906. American astronomer and aviation pioneer who built the first successful heavier-than-air flying machines. He directed the Smithsonian Institution from 1887 to 1906.
langley (lāng'lē) Pronunciation Key
A unit equal to one gram calorie per square centimeter of irradiated surface, used to measure solar radiation. The langley is named after American astronomer and aeronautical pioneer Samuel Pierpont Langley (1834-1906).