Webster's Revised Unabridged Dictionary · 1913

Carbamic

Carbamic (kar*bam"ik) , adjective

[Carbon + amido.]

(Chemistry) Pertaining to an acid so called.
Collocations (1)
Carbamic acid (Chemistry) , 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.