外生変数 がいせいへんすう Meanings Noun exogeneous variable Antonym: 内生変数 (ないせいへんすう). Kanji 外 outside. Read as ガイ. 生 life. Read as セイ. 変 change. Read as ヘン. 数 number. Read as スウ. Jinuma: Japanese Dictionary · Word lists