• WordNet 3.6
    • n caoutchouc 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
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Webster's Revised Unabridged Dictionary
    • n Caoutchouc A tenacious, elastic, gummy substance obtained from the milky sap of several plants of tropical South America (esp. the euphorbiaceous tree Siphonia elastica or Hevea caoutchouc), Asia, and Africa. Being impermeable to liquids and gases, and not readly affected by exposure to air, acids, and alkalies, it is used, especially when vulcanized, for many purposes in the arts and in manufactures. Also called India rubberbecause it was first brought from India, and was formerly used chiefly for erasing pencil marks) and gum elastic. See Vulcanization.
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Century Dictionary and Cyclopedia
    • n caoutchouc An elastic gummy substance, the inspissated milky juice of various tropical trees belonging to the natural orders Apocynaceæ, Urticaceæ, and Euphorbiaceæ; india-rubber (which see).
    • n caoutchouc Products more or less resembling caoutchouc are obtained by the application of the vulcanizing process to colza and other oils, and are employed to mix with or partly replace real india-rubber. A substance which seems to be identical with natural caoutchouc has been obtained in the scientific laboratory by polymerization of isoprene, a hydrocarbon derived from turpentine; but the process has not become commercially practical.
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Chambers's Twentieth Century Dictionary
    • n Caoutchouc kow′chuk the highly elastic juice or gum of a plant which grows in South America and Asia: india-rubber.
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Webster's Revised Unabridged Dictionary
F. caoutchouc, from the South American name
Chambers's Twentieth Century Dictionary
Fr.—Carib. cahuchu.


In literature:

The balloon is made of long strips of silk, sewn together, and rendered air-tight by means of a coating of caoutchouc.
"Wonderful Balloon Ascents" by Fulgence Marion
This is a face of bitter herbs, this an emetic, they need no label, And more of the drug-shelf, laudanum, caoutchouc, or hog's-lard.
"Leaves of Grass" by Walt Whitman
New York is the Caoutchouc City.
"The Voice of the City" by O. Henry
This caoutchouc was occasionally called Indian rubber or rubber of twist, and was no doubt one of the numerous fungi.
"The Works of Edgar Allan Poe Volume 4 (of 5) of the Raven Edition" by Edgar Allan Poe
Subordinate products for exports include cutch dye, caoutchouc or india-rubber, cotton, petroleum and jade.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4" by Various
Caoutchouc 15 grains, chloroform 2 ounces, mastic 1/2 an ounce.
"Notes and Queries, Number 188, June 4, 1853" by Various
This compound was asserted by its inventor to be a perfect substitute for caoutchouc.
"Scientific American Supplement, No. 1157, March 5, 1898" by Various
The products are those of tropical Africa, including caoutchouc.
"Commercial Geography" by Jacques W. Redway
The substance is said to consist of caoutchouc, gum, and mineral oil.
"The Sailor's Word-Book" by William Henry Smyth
M. M. The perpetual use of bougies, either of catgut or of caoutchouc.
"Zoonomia, Vol. II" by Erasmus Darwin