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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)

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

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