Home › Words › R › rayonrayon/ˈɹeɪɒn/rayon · name — A surname from Spanish.Definition from Wiktionary (CC BY-SA 3.0).rayon is pronounced /ˈɹeɪɒn/.EtymologyAnglicization of Spanish Rayón.nameA surname from Spanish.nounA manufactured regenerated cellulosic fiber.A ray or beam of light.A circular area whose extent is measured by the length of the radius of the circle which bounds it.e.g.“Within a rayon of a certain number of miles.” — 1878, Lady Herbert, transl., Hübner’s Ramble, part iii, chapter i, page 459:Definitions & examples from Wiktionary (CC BY-SA 3.0).