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A combination of red and orange used exclusively in Dr. Donahue's Chem H Class when describing the color of solutions
Man, that solution turned the universal indicator rorange; it is totally acidic!
by Chem H April 26, 2007
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A redish orange. Known as Red orange
Girl: Is she really wearing that coat? Anyways it's such an ugly red orange.
Other girl: No it's Rorange.
by Jade_wolf January 14, 2015
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