unconformity: Meaning and Definition of

un•con•form•i•ty

Pronunciation: (un"kun-fôr'mi-tē), [key]
— pl. -ties.
  1. lack of conformity; incongruity; inconsistency.
    1. a discontinuity in rock sequence indicating interruption of sedimentation, commonly accompanied by erosion of rocks below the break.
    2. the interface between such strata. See illus. underunconformable.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.