略語大辞典 [Chem] 22 DIR development inhibitor releasing coupler 現像抑制剤放出カプラー. カラー フィルムの発色と現像の同時抑制を行う発色剤. development inhibitor releasing coupler; a chemical for color photographic film; [Chem:Opt:L]. 丸善「略語大辞典」JLogosID : 11871856