HSK 6
凹凸
Meaning
- bumpy
- uneven
- slotted and tabbed joint
- crenelation
- Pinyin
- āo tū
Character reference
Components and radical classification
凹
āoconcave, hollow; depressed; pass, valley
Primary radical凵 · open box
凸
tūto protrude, to bulge out; convex
Primary radical凵 · open box
Radical classification does not necessarily describe a character’s modern meaning. Semantic and phonetic roles are shown only when supported by the cited formation data.
Writing practice
Stroke order and writing practice
Select a character to view its stroke order and practice tracing it.
1
DemonstrationStroke-order animation
2
PracticeTrace in the square
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Stroke data from Hanzi Writer and Make Me a Hanzi. Source details