軽質 けいしつ Meanings Prenominal light (esp. in chemistry) See also: 軽質油 (けいしつゆ). Kanji 軽 lightweight. Read as ケイ. 質 quality. Read as シツ. Words containing 軽質 軽質油 (けいしつゆ) light crude oil Jinuma: Japanese Dictionary · Word lists