• (n.) The act of retruding, or the state of being retruded.
1. Retraction of the mandible from any given point. ... 2. The backward movement of the mandible. ... Origin: L. Re-trudo, pp. -trusus, to push back ... (05 Mar 2000) ... 
(re-troo´zhәn) the state of being located posterior to the normal position, such as the mandible or a tooth displaced in the line of occlusion.
Re·tru'sion noun The act of retruding, or the state of being retruded. « In virtue of an endless remotion or retrusion of the constituent cause.» Coleridge. 
Type: Term Pronunciation: rē-trū′zhŭn Definitions: 1. Retraction of the mandible from any given point. 2. The backward movement of the mandible.