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langley

 - 7 dictionary results

Lang⋅ley

[lang-lee]
–noun
1. Edmund of. York, Edmund of Langley, 1st Duke of.
2. Samuel Pier⋅pont [peer-pont] , 1834–1906, U.S. astronomer, physicist, and pioneer in aeronautics.
3. William. Langland, William.
4. a city in SW British Columbia, in SW Canada, near Vancouver. 15,124.
5. Mount, a mountain in E California, in the Sierra Nevada. 14,025 ft. (4280 m).

lang⋅ley

[lang-lee]
–noun Physics.
for electromagnetic radiation incident upon a surface, a value of energy per unit area equal to one calorie per square centimeter.

Origin:
1945–50; after S. P. Langley

Lang⋅land

[lang-luhnd]
–noun
William, 1332?–c1400, English poet.
Also, Langley.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To langley
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.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Science Dictionary
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).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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