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Noun: congo red
  1. A red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)

Derived forms: congo reds

Type of: acid-base indicator, azo dye

Encyclopedia: Congo red

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conglutinate
conglutination
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congo gum
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Congo River
congo snake
Congolese
congoo mallee
congou
congou tea
congrats
congratulate
congratulation
congratulations