dissociation
dis.so.ci.a.tion \(.)dis-.o--se--'a--sh*n, -she--\
\(')dis-'o--s(h)e--.a-t-iv, -sh*t-iv\ n 1: the act or process of
dissociating : the state of being dissociated : as 1a: the process by
which a chemical combination breaks up into simpler cons tituents - used
esp. of the action of heat or other forms of energy on gases and of
solvents on dissolved substances 1b: the separation of an idea or activity
from the main stream of conscious ness or of behavior esp. as a mechanism
of ego defense 2: the property inherent in some biological stocks of
differentiating into two or more distinct and relatively permanent strains
also : such a strain - dis.so.cia.tive aj