Definition of safranine in English:

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safranine

Pronunciation: /ˈsafrəˌnēn/ /-nin/
(also safranin /-nin/)

noun

Chemistry
Any of a large group of synthetic azo dyes, mainly red, used as biological stains.
Example sentences
  • At low power magnification, entire radial stem sections were imaged and the area stained by the safranin determined relative to the total amount of xylem tissue.
  • Ten sections were stained with safranin / fast green, toluidine blue or ferrous sulfate for each of the two stems and two ages.
  • The dye washed out of the Gram negative bacteria with alcohol and a pick counter stain, safranin, is added to color them so they can be easily seen.

Origin

Mid 19th century (denoting the yellow coloring matter in saffron): from French.

For editors and proofreaders

Syllabification: saf·ra·nine

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