русский
полугласные согласные португальский
semivogal испанский
vocoide no silabico каталонский
glide Transitional phoneme produced like a vowel but used like a syllable boundary.
1
A semivowel, one having an audible sound by the addition of another Letter; e.g.
2
These elementary sounds are either vowels, semivowels, or mutes.