係数 けいすう Meanings Noun coefficient coefficient; factor; proportional constant; modulus Kanji 係 connection. Read as ケイ. 数 number. Read as スウ. Words containing 係数 二項係数 (にこうけいすう) binomial coefficient 微分係数 (びぶんけいすう) derivative 相関係数 (そうかんけいすう) correlation coefficient And 48 more. Word lists Mathematics Jinuma: Japanese Dictionary · Word lists