| 复合元音 | fù hé yuán yīn | diphthong (such as putonghua ɑi, ei etc) | ![]() |
| 二重母音 | èr chóng mǔ yīn | diphthong | ![]() |
| 复合母音 | fù hé mǔ yīn | diphthong / compound vowel | ![]() |
| 复音形 | fù yīn xíng | diphthong / liaison | ![]() |
| 双元音 | shuāng yuán yīn | diphthong | ![]() |
| 韵腹 | yùn fù | main vowel in diphthong | ![]() |
| 韵头 | yùn tóu | leading vowel of diphthong | ![]() |
