凹
凹·concave, dent
- On-yomi
- オウ
- Kun-yomi
- へこ(む)ぼこ
By Nihongo PathUpdated
Stroke order
Write it in this order; the numbers mark where each stroke starts.
Common words
| Word | Reading | Meaning |
|---|---|---|
| 凹凸 | おうとつ | unevenness |
| 凹む | へこむ | to dent, be discouraged |
| 凹面鏡 | おうめんきょう | concave mirror |
| 凸凹 | でこぼこ | bumpy, uneven |
Example sentences
道路に凹凸があって走りにくい。
どうろにおうとつがあってはしりにくい。
The road is uneven and hard to drive on.
失敗して少し凹んでいる。
しっぱいしてすこしへこんでいる。
I'm a bit down after messing up.
Similar-looking kanji
Do not confuse these on the exam.
Common mistakes
- 凹凸 is おうとつ but 凸凹 is でこぼこ — the order changes the reading completely
Memory aid
Picture it
The character is a picture of itself: a block with a notch cut out of the top.
Vocabulary using this kanji
Quick check
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What does the kanji 凹 mean?