dynorphin Hear it!

dynorphin definition

dy·nor·phin (dī nôr′fin)

noun

any of a group of brain peptides that are powerful pain relievers: though similar to endorphins, they differ in derivation, effectiveness, etc.

Etymology: dyn(a)- + (m)orphin(e)

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

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.