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凹
āo
1. a depression
2. indentation
3. concave
4. hollow
Common • Top 23% ✏️ 5 strokes

Character Breakdown (Single character)

凹
āo
concave, hollow; depressed; pass, valley
HSK 6 5 丶

Compound Words (20)

凹纹
āowén
die (printing, metalwork etc)
凹线
āoxiàn
groove
凹凸
āotū
bumpy
HSK 6
凹进
āojìn
concave
山凹
shānāo
mountain cave, hole, recess etc
凹雕
āodiāo
to engrave
凹镜
āojìng
concave mirror
凹陷
āoxiàn
to cave in
凹坑
āokēng
concave depression
凹岸
āoàn
concave bank
凹度
āodù
concavity
凹入
āorù
cavity
凹板
āobǎn
intaglio
凹槽
āocáo
recess
凹洞
āodòng
cavity
凹版
āobǎn
an engraved printing plate
凹痕
āohén
dent
凹凸形
āotūxíng
in and out shape
凹朴皮
āopòpí
bark of tulip tree (TCM)
凹透镜
āotòujìng
concave lens

Alternate Entries

凹
wā
variant of [[窪|洼<wā>]] / (used in names)

Metadata

Category
Chinese
HSK Character Level
6
Character Frequency Rank
2,861
Word Frequency Rank
19,646 of 84,292