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Con'go red'



Chem.
a water-soluble powder, C32H22O6N6S2Na2, one of the Congo colors that is not acid-fast or lightfast: used chiefly as a dye, biological stain, and chemical indicator.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Congolesecongo snake
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