noun
Linguistics term for the study of sound systems in languages.
音韻論は言語の音の体系を研究する分野です。
Phonology is the field that studies the sound systems of languages.
音声学 (phonetics) focuses on the physical production and perception of speech sounds, while 音韻論 (phonology) deals with abstract sound patterns and systems.
Compound of 音韻 (おんいん, 'sound' or 'phoneme') and 論 (ろん, 'theory' or 'discourse'). The term is a direct translation of the Western linguistic concept 'phonology'.