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.
any of various similar substances and materials made synthetically.: Compare synthetic rubber.
an eraser of this material, for erasing pencil marks, ink marks, etc.
Informal. a rubber tire or a set of rubber tires.
a low overshoe of this material.
an instrument or tool used for rubbing, polishing, scraping, etc.
a person who rubs something, as to smooth or polish it.
British. a dishcloth.
a person who gives massages; masseur or masseuse.
Horse Racing. swipe (def. 7).
Baseball. an oblong piece of white rubber or other material embedded in the mound at the point from which the pitcher delivers the ball.
a coarse file.
Slang. a condom.
Informal. to rubberneck.
made of, containing, or coated with rubber: a rubber bath mat.
pertaining to or producing rubber: a rubber plantation.
- rub·ber·less, adjective
- rub·ber·like, adjective
Other definitions for rubber (2 of 2)
a series or round played until one sidereaches a specific score or wins a specific number of hands.
a series consisting of an odd number of games won by the side winning the majority, usually two out of three.
the deciding game in such a series.
Sports. noting a deciding contest between two opponents who have previously won the same number of contests from each other:a rubber match.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use rubber in a sentence
But at Boston College, distributing rubbers on campus is now grounds for expulsion.
Even George H.W. Bush earned the nickname “Rubbers” for his obsession with population control.
Rubbers and waterproof were hurried on, and Tessa was left alone with the fire, the rain, and her work.Tessa Wadsworth's Discipline | Jennie M. Drinkwater
He felt guilty—but he thought it was very mean of Mr. Stuckup to call attention to his wet rubbers that way.Seven O'Clock Stories | Robert Gordon Anderson
Rubbers or Cutters, sandy in composition and suitable for cutting with a wire saw and rubbing to shape on the stone slab.
British Dictionary definitions for rubber (1 of 2)
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
any of a large variety of elastomers produced by improving the properties of natural rubber or by synthetic means
mainly British a piece of rubber or felt used for erasing something written, typed, etc; eraser
a coarse file
a cloth, pad, etc, used for polishing or buffing
a person who rubs something in order to smooth, polish, or massage
(often plural) mainly US and Canadian a rubberized waterproof article, such as a mackintosh or overshoe
slang a male contraceptive; condom
(modifier) made of or producing rubber: a rubber ball; a rubber factory
British Dictionary definitions for rubber (2 of 2)
a match of three games
the deal that wins such a match
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
Scientific definitions for rubber
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 C5H8.
Any of various synthetic materials having properties that are similar to those of this substance.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.