The Collaborative International Dictionary of English v.0.48:

Euchloric \Eu*chlo"ric\, a. [Gr. e'y`chlwro`s fresh and green;
   e'y^ well + chlwro`s pale green.] (Chem.)
   Relating to, or consisting of, euchlorine; as, euchloric gas.
   --Davy. [archaic]
   [1913 Webster]