[dis.so.ci.ate] vb -at.ed ; -at.ing [L dissociatus, pp. of dissociare, fr. dis- + sociare to join, fr. socius companion--more at social] vt (1590) 1: to separate from association or union with another
2: disunite; specif: to subject to chemical dissociation ~ vi 1: to undergo dissociation
2: to mutate esp. reversibly