rayon.
A manufactured regenerated cellulosic fiber.
Meaning & usage
A manufactured regenerated cellulosic fiber.
Where this word comes from
Name chosen by the National Retail Dry Goods Association of America, probably from French rayon (“a beam of light, ray”) and so called because it is shiny; however, the Oxford English Dictionary states that it is apparently a blend of ray + cotton.
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.
Where this word comes from
From Middle French rayon [1539], from Old French rai (whence English ray), from Latin rādius (whence English radius).
Alternative spelling of raion.
Where this word comes from
See the etymology of the corresponding lemma form.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.