JMdict: 1179280

凹凸 【おうとつ】

  1. [n] unevenness; bumpiness; roughness; ruggedness
  2. [n] imbalance; inequality; unevenness; disparity
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
凹 Concave, Hollow, Sunken オウ くぼ.む, へこ.む, ぼこ
凸 Convex, Beetle Brow, Uneven トツ でこ