carbolfuchsin

noun
car·​bol·​fuch·​sin | \ ˌkär-(ˌ)bäl-ˈfyük-sən, -(ˌ)bȯl- How to pronounce carbolfuchsin (audio) \

Medical Definition of carbolfuchsin

: a mixture of an aqueous solution of phenol and an alcoholic solution of fuchsin used as a stain in microscopy especially in staining bacteria