— retrusive /ri trooh"siv/ , adj.
/ri trooh"zheuhn, -sheuhn/ , n. Dentistry.
1. the act of moving a tooth backward.
2. a condition characterized by the backward displacement of a tooth or teeth.
[ 1650-60; retrus ( us ) removed, concealed (ptp. of retrudere; see RETRUDE) + -ION ]