[noo r-oh-pep-tahyd, nyoo r-]
  1. any of various short-chain peptides, as endorphins, that function as neuromodulators in the nervous system and as hormones in the endocrine system.

Origin of neuropeptide

First recorded in 1970–75; neuro- + peptide Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for neuropeptide


  1. a peptide produced by neural tissue, esp one with hormonal activity
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

neuropeptide in Medicine


  1. Any of various peptides found in neural tissue, such as endorphins and enkephalins.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.