長ちょう調ちょうちょうちょうCommon word›Freq.FrequencyTop 50,000Meanings1noun, noun which may take the genitive case particle 'no'major keymusic›Music term for a major key or tonality. Often used with key names, e.g., ハ長調 (C major). Contrasts with 短調 (minor key).See also: 短調この曲きょくはハ長ちょう