First Known Use: 1898
Dictionary
Janus green
noun
Definition of JANUS GREEN
: a basic azine dye used especially as a vital biological stain (as for mitochondria)
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Origin of JANUS GREEN
probably from Janus, a trademark
Medical Dictionary
Janus green
noun Ja·nus green \ˈjā-nəs-ˈgrēn\
Medical Definition of JANUS GREEN
: a basic azine dye used especially as a biological stain (as for mitochondria)
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