- Traditional Chinese Character(HanT):
臨界角
- Simplified Chinese Character(HanS):
临界角
- Bopomofo(Mandarin Phonetic Symbols): ㄌㄧㄣˊ ㄐㄧㄝˋ ㄐㄧㄠˇ (ㄌㄐㄐ)
- Bopomofo(Zhuyin Keyboard Input/IME): xup6ru,4rul3
- (ASCII) Hanyu Pinyin: "linjiejiao" "Lin2Jie4Jiao3" "Lin2 Jie4 Jiao3" (LJJ)
- (Latin) Hànyǔ Pīnyīn: LínJièJiǎo [ Lín Jiè Jiǎo ]
- (英文翻譯) English Translation: "critical angle"
- (西語翻譯) Traducción Español: "Ángulo crítico"
- (日文翻譯) 日本語翻訳: "臨界角"