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Congo rubine

noun
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variants: or Congo rubin

Definition of Congo rubine

: a direct azo dye used especially for dyeing cotton, wool, and silk bluish red

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“Congo rubine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Congo%20rubine. Accessed 31 May. 2020.

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