HSK 6 · Adjectives
凹凸 āotū “uneven” in Chinese
Same in Traditional
What 凹凸 means
- uneven
- bumpy
- concave or convex
- bumps and holes
- uneven (surface)
More meanings from CC-CEDICT
- rugged
How to say 凹凸
凹āo1st tone, high and level
凸tū1st tone, high and level
凹凸 in a sentence
How 凹凸 is built
Each colour is one part of the character. Parts repeat across thousands of characters, so learning them makes new words easier. See all 214 in our radicals chart.

凹āoconcave; depressed; sunken; indented
凹 is a single shape of 5 strokes. Learn it whole, then watch its stroke order below.

凸tūto stick out; protruding; convex; male
凸 is a single shape of 5 strokes. Learn it whole, then watch its stroke order below.
How to write 凹凸
凹 5 strokes · 凸 5 strokes
Watch the order, then press Try writing it and draw each stroke in the grid. Each stroke is checked as you go.

Words related to 凹凸
More words: Adjectives
FAQs
凹凸 (āotū) means “uneven” or “bumpy”. It is an HSK 6 word.
Say it āotū: āo with a 1st tone, then tū with a 1st tone. Press Listen at the top of this page to hear it, or Slowly to hear each tone clearly.
Yes. 凹凸 is written the same way in Simplified and Traditional characters.
Add a Chinese (Simplified) pinyin keyboard to your phone or computer, type aotu with no tone marks or spaces, then choose 凹凸 from the suggestions. Typing aotu into this dictionary’s search box finds it too.
凹凸 is an HSK 6 word in the HSK 2.0 word lists.
Sources: meaning and pinyin checked by a native Mandarin teacher against the official HSK lists. Extra meanings from CC-CEDICT (CC BY-SA 4.0). Example sentences written by WillyChina. Character parts and stroke order from Make Me a Hanzi.