relaxin Hear it!

relaxin definition

☆ re·laxin (ri lak′sin)

noun

a polypeptide hormone associated with pregnancy, used experimentally to relax the pelvic ligaments, as in childbirth

Etymology: relax + -in

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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