三和弦 sānhéxián triad Definitions Defs Origin Strokes Stroke Words Sentences Sents 增三和弦 zēngsānhéxián augmented triad augmented triad in music theory大三和弦 dàsānhéxián major triad major triad; a chord consisting of a root, a major third, and a perfect fifth小三和弦 xiǎosānhéxián minor triad a chord consisting of a root, a minor third, and a perfect fifth