Chemical reaction between substances initially separated by a membrane. ... Origin: chem-+ G. Osmos, a thrusting, an impulsion ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
Chem`os·mo'sis noun [ Chemi cal + osmosis .] Chemical action taking place through an intervening membrane. Found on http://www.encyclo.co.uk/webster/C/61