A Displacement

1. The act of displacing, or the state of being displaced; a putting out of place.
2. The quantity of a liquid displaced by a floating body, as water by a ship, the weight of the displaced liquid being equal to that of the displacing body.
3. (chemistry) The process of extracting soluble substances from organic material and the like, whereby a quantity of saturated solvent is displaced, or removed, for another quantity of the solvent.
4. (fencing) Moving the target to avoid an attack; dodging.
5. (physics) A vector quantity which denotes distance with a directional component.
6. (grammar) The capability of a communication system to refer to things that are not present (that existed or will exist at another time, or that exist at another location).