略語大辞典 [Chem] 20 HQ hydroquinone ハイドロキノン. 写真の現像薬.hydroquinone; or 1,4-benzenediol; a metabolite of benzene; a developer chemical in BW(black-and-white) photography; an antioxidant chemical; used in cosmetics for skin care products and treatment of hyperpigmentation; [Chem]. 丸善「略語大辞典」JLogosID : 11877210