lack of uniformity; unevenness; inequality; disproportion
General term for something not being uniform, even, or equal; used as a noun or na-adjective.
There is a lack of uniformity in the quality of education in this region.
The color was applied unevenly.
noun-modifying (irregular)
heterogeneous; nonuniform
Chemistry term for a mixture or substance that is not uniform in composition.
Stir the heterogeneous mixture.
Compound of 不 (fu-, 'not') + 均一 (kin'itsu, 'uniform').