/un'keuhn fawr"mi tee/ , n. , pl. unconformities .
1. lack of conformity; incongruity; inconsistency.
2. Geol.
a. a discontinuity in rock sequence indicating interruption of sedimentation, commonly accompanied by erosion of rocks below the break.
b. the interface between such strata. See illus. under unconformable .
[ 1590-1600; UN- 1 + CONFORMITY ]