不ふ斉せい

noun, noun which may take the genitive case particle 'no'

irregularity; unevenness; asymmetry; lack of uniformity

Describes a state of being not uniform, not equal, or not symmetrical. Often used in formal or technical contexts, such as describing shapes, surfaces, or distributions.

• この地ち形けいは不ふ斉せいで、平たいらな部ぶ分ぶんが少すくない。

  This terrain is irregular, with few flat areas.

• 不ふ斉せいな分ぶん布ぷがデータに見みられる。

  An uneven distribution can be seen in the data.