1. 韻頭 (yùntóu)

   1. 介音。是介于主要元音與聲母之間的高元音 head vowel, any of the three vowels “i”,“u” and “ü”in certain compound vowels, as “i” in “iang”

韻頭 (yùn tóu)

1. 韻母的介音部分。