Definition of "Displacement" :

noun: act of taking the place of another especially using underhanded tactics

noun: act of removing from office or employment

noun: to move something from its natural environment

noun: the act of uniform movement

noun: an event in which something is displaced without rotation

noun: (psychiatry) a defense mechanism that transfers affect or reaction from the original object to some more acceptable one

noun: (chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound