安定剤｛あんていざい｝、固着剤｛こちゃくざい｝、固定剤、定着剤(photographic) fixing agent: (photographic) fixing agent定着剤ていちゃくざいcolor fixing agent: 発色剤dye fixing agent: dye fixing agent色止め剤[化学]; 染色堅ろう度増進剤[化学]
