Congo reds

A form of Congo red — An azo dye that turns red in alkaline, blue in acidic solutions.

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Meanings

noun
  1. pluralplural of Congo red
Cite this entry
APA

Congo reds. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Congo%20reds

MLA

“Congo reds.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Congo%20reds. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Congo reds,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Congo%20reds.

Source: Congo reds on Wiktionary, CC BY-SA 4.0.