noun
alveolar lateral approximant; clear l
Technical term in phonetics/linguistics for the sound [l] as in English 'light'.
英語の「light」の[l]は歯茎側面接近音です。
The [l] in English 'light' is an alveolar lateral approximant.
Compound of 歯茎 (shikei, 'alveolar ridge'), 側面 (sokumen, 'lateral'), 接近 (sekkin, 'approximation'), and 音 (on, 'sound'), directly translating the English phonetic term.