nigrosin (English, noun)
expansion: nigrosin (countable and uncountable, plural nigrosins)
Senses:
glosses: A mixture of synthetic black dyes made by heating a mixture of nitrobenzene, aniline and aniline hydrochloride in the presence of a copper or iron catalyst; used for staining of bacteria and as a colorant.
tags: countable
uncountable
Forms:
form: nigrosins
tags: plural