unconformity

As a noun unconformity

is (nonstandard) a lack of conformity.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between phenomenon and unconformity

is that phenomenon is an observable fact or occurrence or a kind of observable fact or occurrence while unconformity is (nonstandard) a lack of conformity.

As nouns the difference between unconformity and discrepancy

is that unconformity is a lack of conformity while discrepancy is an inconsistency between facts or sentiments.

In geology terms the difference between hiatus and unconformity

is that hiatus is a gap in geological strata while unconformity is a gap in time in rock strata, where erosion occurs while deposition slows or stops.

As nouns the difference between hiatus and unconformity

is that hiatus is a gap in a series, making it incomplete while unconformity is a lack of conformity.

As nouns the difference between irregularity and unconformity

is that irregularity is (countable) an instance of being irregular while unconformity is (nonstandard) a lack of conformity.

As nouns the difference between malformation and unconformity

is that malformation is an abnormal formation while unconformity is (nonstandard) a lack of conformity.

As nouns the difference between oddity and unconformity

is that oddity is an odd or strange thing or opinion while unconformity is a lack of conformity.

As nouns the difference between eccentricity and unconformity

is that eccentricity is the quality of being eccentric; any eccentric behaviour while unconformity is (nonstandard) a lack of conformity.

As nouns the difference between aberration and unconformity

is that aberration is aberration (deviation) while unconformity is (nonstandard) a lack of conformity.

As nouns the difference between peculiarity and unconformity

is that peculiarity is the quality or state of being peculiar; individuality; singularity while unconformity is (nonstandard) a lack of conformity.