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凹凸 (おうとつ) Japanese meaning | Kotomora
Common word Freq. Frequency Top 50,000 Meanings 1
noun
unevenness ; bumpiness ; roughness
Physical unevenness of a surface, with both raised and sunken parts. Common in patterns such as 凹凸がある, 凹凸が多い, and 表面の凹凸.
なくし
て
から
塗と
装そう
する
。
Paint it after removing the unevenness from the surface.
2
noun
imbalance ; unevenness ; disparity
Figurative use for uneven distribution, imbalance, or disparity in degree, quality, treatment, ability, and similar matters. Often a little more written or analytical than everyday ばらつき.
Written forms 凹おう 凸とつ Usage 98%
Standard kanji spelling; the two characters visually match the idea of depressions and protrusions.
おうとつ Usage 2%
Kanji 凸 convex, beetle brow, uneven Similar words 凸でこ 凹ぼこ A more everyday word for physical bumpiness; it can also be used figuratively, but 凹凸 is more formal and technical-looking.
起き 伏ふく Often describes rises and falls in terrain, emotion, or a storyline; 凹凸 focuses more on surface irregularities or uneven distribution.
格かく 差さ Means a gap or disparity, especially social or economic; 凹凸 can mean disparity but has a broader sense of unevenness or imbalance.
Etymology A Sino-Japanese compound of 凹, associated with being concave or sunken, and 凸, associated with being convex or protruding. This component explanation matches the modern written form; no further historical derivation is asserted here.
