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Definition of "rubber" []

  • A yellowish, amorphous, elastic material obtained from the milky sap or latex of various tropical plants, especially the rubber tree, and vulcanized, pigmented, finished, and modified into products such as electric insulation, elastic bands and belts, tires, and containers. Also called caoutchouc, India rubber. (noun)
  • Any of numerous synthetic elastic materials of varying chemical composition with properties similar to those of natural rubber. (noun)
  • A low overshoe made of rubber. (noun)
  • Baseball The rectangular piece of hard rubber that the pitcher must remain in contact with when making a pitch. (noun)
  • Something made of rubber, as: (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "rubber" in a sentence
  • "If condom catheters are too costly or not available, a regular condom (‘rubber’, ‘sheath’, or ‘prophylactic’ for family planning) can be attached to the collection tube with a rubber band or tape. regular condom"
  • "Interestingly, the term rubber comes from, in the 18th Century one of the first practical uses, well before vulcanization, was that it was found to be useful for erasing pencil marks, for rubbing them out and that's where the term rubber comes from."
  • "LEE: Here's something interesting, too, "Wall Street Journal" talking about this this week that GM workers go to what's called -- what they call a rubber room in Detroit."