noun
phonemic system; phoneme system
Linguistics term referring to the set of phonemes and their organizational rules in a language.
日本語の音素体系は比較的単純だと言われる。
It is said that the phonemic system of Japanese is relatively simple.
音素体系の分析は音韻論の基礎である。
Analysis of the phoneme system is fundamental to phonology.
音韻体系 (phonological system) is a broader term encompassing all sound patterns, while 音素体系 focuses specifically on the inventory and organization of phonemes.
Compound of 音素 (phoneme) and 体系 (system). The exact historical derivation is uncertain, but the term is a modern linguistic coinage.