The Collaborative International Dictionary
Carbamic
Carbamic \Car*bam"ic\ (k[aum]r*b[a^]m"[i^]k), a. [Carbon + amido.] (Chem.) Pertaining to an acid so called.
Carbamic acid (Chem.), an amido acid, H2N.CO2.H, not existing in the free state, but occurring as a salt of ammonium in commercial ammonium carbonate; -- called also amido formic acid.
Wiktionary
carbamic
a. Of or pertaining to carbamic acid or its derivatives