The Collaborative International Dictionary of English v.0.48:

Ethylamine \Eth`yl*am"ine\, n. [Ethyl + amine.] (Chem.)
   A colorless, mobile, inflammable liquid, C2H5.NH2, very
   volatile and with an ammoniacal odor. It is a strong base,
   and is a derivative of ammonia. Called also ethyl
   carbamine, and amido ethane.
   [1913 Webster]