DISPLACEMENT

noun Date: 1611 the act or process of displacing ; the state of being displaced, 2. the volume or weight of a fluid (as water) displaced by a floating body (as a ship) of equal weight, the difference between the initial position of something (as a body or geometric figure) and any later position, the volume displaced by a piston (as in a pump or an engine) in a single stroke, 3. the redirection of an emotion or impulse from its original object (as an idea or person) to another, the substitution of another form of behavior for what is usual or expected especially when the usual response is nonadaptive