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leptin

[lep-tin] /ˈlɛp tɪn/
noun
1.
a hormone that is thought to suppress appetite and speed up metabolism.
Origin
1995-2000; < Greek leptós small, thin + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for leptins

leptin

/ˈlɛptɪn/
noun
1.
a protein, produced by fat cells in the body, that acts on the brain to regulate the amount of additional fat laid down in the body
Word Origin
C20: from lepto- + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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leptins in Science
leptin
  (lěp'tĭn')   
A peptide hormone and neurotransmitter produced by fat cells and involved in the regulation of appetite.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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