理系女 りけいじょ Meanings Noun woman in STEM (science, technology, engineering, mathematics); female scientist See also: 理系女子 (りけいじょし). Kanji 理 reason. Read as リ. 系 system. Read as ケイ. 女 woman. Read as ジョ. Words containing 理系女 理系女子 (りけいじょし) woman in STEM (science, technology, engineering, mathematics) Jinuma: Japanese Dictionary · Word lists