陽よう旋せん法ぽうMeanings1nounanhemitonic pentatonic scalearchaicArchaic music term for a pentatonic scale without semitones. Compare with 陽音階.See also: 陽音階雅が楽がくの理り論ろん書しょには「陽よう旋せん法ぽう」という語ごが見みられる。The term 陽旋法 appears in theoretical writings on gagaku.