counterstain
ˈkaʊntəˌsteɪn
noun
an additional dye used in a microscopy specimen to produce a contrasting background or to make clearer the distinction between different kinds of tissue.
verb
treat (a specimen) with a counterstain.
noun
an additional dye used in a microscopy specimen to produce a contrasting background or to make clearer the distinction between different kinds of tissue.
verb
treat (a specimen) with a counterstain.