最小作用の原理 さいしょうさようのげんり Meanings Expression, Noun principle of least action Kanji 最 most. Read as サイ. 小 small. Read as ショウ. 作 make 用 use. Read as ヨウ. 原 original. Read as ゲン. 理 reason. Read as リ. Word lists Physics Jinuma: Japanese Dictionary · Word lists