Janus green

noun

Definition of JANUS GREEN

: a basic azine dye used especially as a vital biological stain (as for mitochondria)

probably from Janus, a trademark

First Known Use: 1898

Medical Dictionary

noun Ja·nus green \ˈjā-nəs-ˈgrēn\

: a basic azine dye used especially as a biological stain (as for mitochondria)

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