Definition of fire red
1 : a strong reddish orange that is yellower and paler than poppy or paprika, yellower and lighter than fiery red, and yellower and paler than average coral red —called also mineral orange, Paris red — compare flame flame red
2 less commonly fire red toner : a brilliant orange-red azo dye that has good resistance to light and heat, is made from diazotized 2-chloro-4-nitroaniline, and is used as a pigment for paint and for lithographic and offset inks; chlorinated para red —called also Permanent Red R
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