Source : Webster's Revised Unabridged Dictionary (1913)

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}.