displacement (dis-plas´ment)

1. Removal from the normal location or position. 2. The adding to a fluid (particularly a gas) in an open vessel one of greater density whereby the first is expelled. 3. In chemistry, a change in which one element, radical, or molecule is replaced by another, or in which one element exchanges electric charges with another by reduction or oxidation. 4. In psychiatry, the transfer of impulses from one expression to another, as from fighting to talking.
affect d. a shift of feeling from the object originally arousing it to some associated object.
mesial d. mesioversion
tissue d. the change in the form or position of tissues as a result of pressure.


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