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rubber

1 American  
[ruhb-er] / ˈrʌb ər /

noun

  1. Also called gum elastic, caoutchouc.  Also called natural rubber,.  Also called gum.  Also called India rubber.  a highly elastic solid substance, light cream or dark amber in color, polymerized by the drying and coagulation of the latex or milky juice of rubber trees and plants, especially Hevea and Ficus species.

  2. a material made by chemically treating and toughening this substance, valued for its elasticity, nonconduction of electricity, shock absorption, and resistance to moisture, used in the manufacture of erasers, electrical insulation, elastic bands, crepe soles, toys, water hoses, tires, and many other products.

  3. any of various similar substances and materials made synthetically.

  4. rubber band.

  5. an eraser of this material, for erasing pencil marks, ink marks, etc.

  6. Informal. a rubber tire or a set of rubber tires.

  7. a low overshoe of this material.

  8. an instrument or tool used for rubbing, polishing, scraping, etc.

  9. a person who rubs something, as to smooth or polish it.

  10. cutter.

  11. British. a dishcloth.

  12. a person who gives massages; masseur or masseuse.

  13. Horse Racing. swipe.

  14. Baseball. an oblong piece of white rubber or other material embedded in the mound at the point from which the pitcher delivers the ball.

  15. a coarse file.

  16. Slang. a condom.


verb (used without object)

  1. Informal. to rubberneck.

adjective

  1. made of, containing, or coated with rubber.

    a rubber bath mat.

  2. pertaining to or producing rubber.

    a rubber plantation.

rubber 2 American  
[ruhb-er] / ˈrʌb ər /

noun

  1. a series or round played until one sidereaches a specific score or wins a specific number of hands.

  2. a series consisting of an odd number of games won by the side winning the majority, usually two out of three.

  3. the deciding game in such a series.


adjective

  1. Sports. noting a deciding contest between two opponents who have previously won the same number of contests from each other.

    a rubber match.

rubber 1 British  
/ ˈrʌbə /

noun

  1. Also called: India rubber.   gum elastic.   caoutchouc.  a cream to dark brown elastic material obtained by coagulating and drying the latex from certain plants, esp the tree Hevea brasiliensis

  2. any of a large variety of elastomers produced by improving the properties of natural rubber or by synthetic means

  3. a piece of rubber or felt used for erasing something written, typed, etc; eraser

  4. a coarse file

  5. a cloth, pad, etc, used for polishing or buffing

  6. a person who rubs something in order to smooth, polish, or massage

  7. (often plural) a rubberized waterproof article, such as a mackintosh or overshoe

  8. slang a male contraceptive; condom

  9. (modifier) made of or producing rubber

    a rubber ball

    a rubber factory

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rubber 2 British  
/ ˈrʌbə /

noun

  1. bridge whist

    1. a match of three games

    2. the deal that wins such a match

  2. a series of matches or games in any of various sports

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rubber Scientific  
/ rŭbər /
  1. An elastic material prepared from the milky sap of certain tropical plants, especially the tree Hevea brasiliensis. Rubber is a polymer that is used, after processing, in a great variety of products, including electric insulation and tires. In its pure form, it is white and consists of repeating units of C 5 H 8.

  2. Any of various synthetic materials having properties that are similar to those of this substance.


Other Word Forms

  • rubberless adjective
  • rubberlike adjective

Etymology

Origin of rubber1

First recorded in 1530–40; rub + -er 1

Origin of rubber2

First recorded in 1585–95; origin uncertain

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Airlangga said that as part of the deal, Indonesia has secured tariff exemptions for more than 1,700 goods, including coffee, spices, chocolate, natural rubber and, notably, its top export product palm oil.

From BBC

The group of Chagossians and Holloway hope their encampment will scuttle the agreement once and for all before the British Parliament rubber stamps it.

From The Wall Street Journal

A dead rubber, the kind of match usually more associated with England in the Ashes.

From BBC

It was also attended by an eager trio of young men wearing rubber bald eagle masks.

From The Wall Street Journal

Kotak said there were no dead rubbers for India, ahead of the match against the Dutch that will now have no bearing on the tournament.

From Barron's