(phonetics) short vowel

a anion

high pitch

(traditional Chinese phonology) a voiceless and unaspirated onset obstruent, including the glottal stop

(formal) sound; acoustics

musician

Tō-on, a Sino-Japanese kanji pronunciation layer; imported to Japan beginning in the mid-Heian period and ending in the Edo period. Uncommon. / (more specifically) The later subset of above.

mild-mannered, gentle, affable

sound and meaning / an annotated text that records the pronunciation and meaning of words, especially Chinese characters which are difficult to read or interpret

the process in which a sound becomes palatal; palatalization