Wiktionary
mucicarmine
n. (context chiefly attributive English) A staining procedure used in microbiology to identify a variety of microorganisms based on whether or not the cell wall stains intensely red.
Usage examples of "mucicarmine".
I found George Gara in his lab, retrieving his bagged lunch from a refrigerator posted with a sign that read No Food Inside were stains such as silver nitrate and mucicarmine, in addition to Schiff reagents, none of which was compatible with anything edible.