n. A putting out of place; removal from a former or usual or proper place, or from a position, dignity, or office.n. A putting in the place of another or of something else; substitution in place; replacement by exchange.n. In hydrostatics, the quantity of a liquid which is displaced by a solid body placed in it.n. In pharmacy, a method by which the active principles of organic bodies are extracted from them.n. In mech., the geometrical difference or exact relation between the position of a body at any moment and its initial position.n. n. In veg. teratol., a malformation, in leaves, due to abnormal cohesion or fusion of parts which results in dislocation and other apparent changes in the form. Thus two fused leaves may appear like a single lobed leaf, a whorl may be reduced to two opposite leaves, etc.