D defs.my
Entry 2 senses Webster, 1913

Unconformity

· Un·con·form·i·ty · IPA
01 n. Want of conformity; incongruity; inconsistency.
  1. 1.
    Want of conformity; incongruity; inconsistency.
  2. 2.
    Want of parallelism between strata in contact.(Geol.)