Carbamic

Car`bam´ic

(kär`băm´ĭk)
a.1.(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.