Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A yellow pigment found in many insects, especially in the wings of certain butterflies and moths, and also present in the urine of mammals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A yellow
crystalline solid that occurs mainly in thewings ofbutterflies and in theurine ofmammals , converted bymicroorganisms intofolic acid .
Etymologies
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Examples
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It turns out that an Oriental hornet's shell can trap sunlight, while the pigment xanthopterin converts it to energy.
Solar-Powered Hornet Discovered, A First For Animal Kingdom The Huffington Post 2010
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It turns out that an Oriental hornet's shell can trap sunlight, while the pigment xanthopterin converts it to energy.
Solar-Powered Hornet Discovered, A First For Animal Kingdom The Huffington Post 2010
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The yellow stripe on the abdomen is made from pinhole depressions, and contains a pigment called xanthopterin.
Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph 2011
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Together, the light diverging grooves, pinhole depressions and xanthopterin change light into electrical energy.
Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph 2011
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