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. also 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; see dye table I (under Pigment Red 4)
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1. a strong reddish-orange color.
2. Also called fire red toner. a brilliant reddish-orange dye.
[1350-1400; ME]
Useful english dictionary. 2012.