九分之一 jiǔfēnzhīyī one-ninth Origin Definitions Defs Strokes Stroke Words Sentences Sents 九 jiǔ numeral nine the number nine分之 fēnzhī particlepreposition [fraction marker] Used between two numbers to express a fraction or percentage, where the number following it is the numerator and the number preceding it is the denominator.一 yī numeral one one; the number 1; single; alone