作用素 さようそ Meanings Noun operator Kanji 作 make. Read as サ. 用 use. Read as ヨウ. 素 element. Read as ソ. Words containing 作用素 加減作用素 (かげんさようそ) adding operator 算術作用素 (さんじゅつさようそ) arithmetic operator 恒等作用素 (こうとうさようそ) identity operator And 1 more. Word lists Mathematics Jinuma: Japanese Dictionary · Word lists