a preparation used as a rinse on grey or white hair so as to give it a temporary blue tint
蓝色染发剂。
(亦作blue-rinsed /ˈbluːˈrɪnst/)［attrib.］
informal, derogatory of or relating to elderly and conservative women
〈非正式, 贬〉（与）保守派老年妇女（有关）的：
the blue-rinse brigade.
保守派老年妇女大队。