凹
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Spell out: + =
concave; depressed; sunken; indented; female (connector etc)
5 strokes
Dict coverage rank #1,910 U+51F9
How 凹 is formed
Ideographic compound (会意字)
A rectangle with a hollow
How to remember it
concave · Heisig RSH #31
Keyword method from Heisig's Remembering Simplified Hanzi.
Words containing 凹
| Word | Pinyin | Meaning |
|---|---|---|
| 凹面镜 | āo miàn jìng | concave mirror |
| 凹凸不平 | āo tū bù píng | (idiom) uneven (surface); bumpy (road) |
| 山凹 | shān āo | col; valley |
| 凹造型 | āo zào xíng | (coll.) to strike a pose |
| 凹线 | āo xiàn | groove |
| 凹度 | āo dù | concavity |
| 中央凹 | zhōng yāng āo | fovea centralis (depression in the macula retina, most sensitive optic region) |
| 凹入 | āo rù | recessed; concave |
| 凹板 | āo bǎn | variant of 凹版[ao1 ban3] |
| 凹进 | āo jìn | concave; recessed; dented |
| 凹凸有致 | āo tū yǒu zhì | curvaceous |
| 凹透镜 | āo tòu jìng | concave lens |
| 凹凸性 | āo tū xìng | (math.) concavity |
| 胃小凹 | wèi xiǎo āo | (physiology) gastric pits |
| 凹镜 | āo jìng | concave mirror |
| 凹凸形 | āo tū xíng | crenelated; corrugated |
| 贾平凹 | Jiǎ Píng wā | Jia Pingwa (1952-), Chinese novelist |
| 凹朴皮 | āo pò pí | bark of tulip tree (TCM); Cortex Liriodendri |
| 微凹黄檀 | wēi āo huáng tán | cocobolo (Dalbergia retusa) |
| 凹凸印刷 | āo tū yìn shuā | embossing; die stamping |