定てい着ちゃく剤ざいていちゃくざいじ字FuriganaMeanings1nounfixing agent; fixerTechnical term in photography for a chemical that stabilizes developed images by removing unexposed silver halides.写しゃ真しんを現げん像ぞうした後あと、定てい着ちゃく剤ざいで処しょ理