需じゅ要よう曲きょく線せんじゅようきょくせんMeanings1noundemand curveeconomicsEconomics term for a graph showing the relationship between price and quantity demanded.需じゅ要よう曲きょく線せんは通つう常じょう、右みぎ下さがりになる。The demand curve usually slopes downward to the right.このグラフは需じゅ要よう