caoutchouc

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products

Borrowed from French caoutchouc, from Spanish caucho, from Quechua kawchu.

The products are those of tropical Africa, including caoutchouc. — Commercial Geography: A Book for High Schools, Commercial Courses, and Business Colleges, Jacques W. (Jacques Wardlaw) Redway
Caoutchouc, which has been treated with sulphur, to harden it. — Electricity for Boys, James Slough Zerbe
MOITORET, ANTHONY F. *First and Only Cruise of the "Caoutchouc". — The best short stories of 1919, and the yearbook of the American short story, Unknown

rubber, natural rubber, India rubber, gum elastic

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