Unconformability
Pronunciation : Un`con*form`a*bil"i*ty
Part of Speech : n.
Definition : 1. The quality or state of being unconformable; unconformableness.
2. (Geol.)
Defn: Want of parallelism between one series of strata and another, especially when due to a disturbance of the position of the earlier strata before the latter were deposited.
Source : Webster's Unabridged Dictionary, 1913