COUNTERSTAIN


Meaning of COUNTERSTAIN in English

transitive verb Date: 1895 to stain (as a microscopy specimen) so as to color parts (as the cytoplasm of cells) not colored by another stain (as a nuclear stain), ~ noun

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.