成せい長ちょう曲きょく線せんMeaningsNoun1. logistic curve; growth curveKanji used成become長long曲curved線linePitch accentせいちょうきょくせんComposed of成せい長ちょうgrowth; development; growing up; becoming an adult; growth (of a company, the economy, etc.)Noun曲きょく線せんcurveNoun