- Traditional Chinese Character(HanT):
凹
- Simplified Chinese Character(HanS):
凹
- Bopomofo(Mandarin Phonetic Symbols): ㄠ (ㄠ)
- Bopomofo(Zhuyin Keyboard Input/IME): "l " (l)
- 「凹」的注音符號/「凹」怎麼發音怎麼唸: ㄠ
- (ASCII) Hanyu Pinyin: "ao" "Ao1" "Ao1" (A)
- (Latin) Hànyǔ Pīnyīn: [ ]
- (英文翻譯) English Translation: "concave"
- (西語翻譯) Traducción Español: "cóncavo"
- (日文翻譯) 日本語翻訳: "凹面"