A sound intermediate between a vowel and a consonant, or having the character of both, as w or y and, sometimes, l and r and the nasals m, ng, and n.

半母音(介因乎母音与子音间之音，或具有两者之性质者，如 w 或 y 及 l 与 r 及鼻音 m、ng、n。

The letter or letters representing such a sound.

半母音字母。