Definition of rayon in English:

rayon

Syllabification: ray·on
Pronunciation: /ˈrāˌän
 
/

noun

  • A textile fiber or fabric made from regenerated cellulose (viscose).
    More example sentences
    • The chemical is used in the production of textiles such as rayon and viscose.
    • Cotton and rayon are cellulosic fibre and may be cleaned using all cleaning methods.
    • The most important of these were developments from combinations of cellulose which made possible a wide range of new products including parkesine (the first commercial plastic), photographic film, and viscose rayon.

Origin

1920s: an arbitrary formation.

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elaborate ornamentation of a vocal melody