a combining form representing ammonia or ammonium in compound words: ammonioferric.
Also especially before a vowel, ammoni-. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for ammonio-



Containing an ammonium group:ammoniocupric sulfate.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.