Definition of trypan blue in English:

trypan blue

Syllabification: try·pan blue
Pronunciation: /ˈtripən, trəˈpan


  • A diazo dye used as a biological stain due to its absorption by macrophages of the reticuloendothelial system.
    More example sentences
    • Differential cell counts and trypan blue staining revealed a purity and viability of isolated macrophages of greater than 95% in all groups.
    • BAL cells were stained with trypan blue, and viable cells were counted using a hemocytometer.
    • At the end of ultrasound exposure, cells were stained with trypan blue.


early 20th century: trypan from trypanosome.

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