vowel

гла́сный

A sound produced by the vocal cords with relatively little restriction of the oral cavity, forming the prominent sound of a syllable

• In particular, the vowels change.

  Tatoeba · Tom9358 · CC BY 2.0 FR

• His name starts with a vowel.

  Его имя начинается на гласную.

  Tatoeba · Amastan · CC BY 2.0 FR

гла́сный

A letter or diacritic representing the sound of a vowel; in English, the vowels are a, e, i, o, u, y (sometimes), and w (rarely)