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Medical Dictionary

indigo

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noun in·di·go \ˈin-di-ˌgō\

Medical Definition of indigo

plural indigos or indigoes

  1. 1a:  a blue dye obtained from indigo plants (as Indigofera tinctoria of Africa and India, I. anil of South America, and I. auriculata of Arabia and Egypt)b:  the principal coloring matter C16H10N2O2 of natural indigo usually synthesized as a blue powder with a coppery luster—called also

  2. 2:  indigo plant





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