凹凸性
Traditional form:
凹凸性
Pinyin (reading):
āotūxìng
Definitions:
- (math.) concavity
Characters:
- 凹 - concave, hollow; depressed; pass, valley
- 凸 - to protrude, to bulge out; convex
- 性 - sex, nature, character; suffix converting a verb to an adjective
Traditional characters: