car·bam·ic acid /(ˌ)kɑrˈbæmɪk-/
  car·bam·ic acid /(ˌ)kɑrˌbæmɪk-/ 名詞
  氨基甲酸
  Car·bam·ic a.  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.
  ◄ ►
  carbamic acid
       n : an acid that is known only by virtue of its salts (as
           ammonium carbamate) or its esters (as urethane)