相乗平均 そうじょうへいきん Meanings Noun geometric mean See also: 幾何平均 (きかへいきん). Kanji 相 mutual. Read as ソウ. 乗 ride. Read as ジョウ. 平 flat. Read as ヘイ. 均 average. Read as キン. Word lists Mathematics Jinuma: Japanese Dictionary · Word lists