any of a group of compounds containing the CN2H3 group, some of which have marked pharmacological action.
Origin of amidine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The monovalent radical having the general formula RC=NHNH2.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.