Definition of "rayon"

rayon¹

/ˈɹeɪɒn/

noun
countable and uncountable, plural rayons
1. A manufactured regenerated cellulosic fiber.

rayon²

/ˈɹeɪɒn/

noun
plural rayons
1. Alternative spelling of raion

rayon³

/ˈɹeɪɒn/

noun
plural rayons
1. (obsolete) A ray or beam.
  Quotations
  But shining christall, which from top to base Out of her womb a thousand rayons threw
  1591, Ed[mund] Sp[enser], “The Visions of Bellay”, in Complaints. Containing Sundrie Small Poemes of the Worlds Vanitie. […], London: […] William Ponsonbie, […]