凹凸性 āotūxìng concavity Definitions Defs Origin Strokes Stroke Words Sentences Sents 凹凸 āotū uneven bumpy or uneven; concave and convex; having bumps and holes性 xìng affix [-ity] Suffix used after verbs or adjectives to form nouns expressing a state, quality, or scope, similar to English "-ity", "-ness", or "-ism".
