a hypothetical chemical compound, NH3CO2, known only in the form of its salts, as ammonium carbamate, or its esters, as urethan.
Origin of carbamic acid
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a hypothetical compound known only in the form of carbamate salts and esters. Formula: NH 2 COOH
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
A hypothetical acid that exists only in the form of its esters and salts.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.