rubber

¹

[ ruhb-er ]

noun

1. 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. Compare synthetic rubber ( def ).
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 ( def 8 ).
11. British. a dishcloth.
12. a person who gives massages; masseur or masseuse.
13. Horse Racing. swipe ( def 7 ).
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

[ ruhb-er ]

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

/ 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

rubber

²

/ ˈrʌbə /

noun

1. Also calledIndia rubbergum elasticcaoutchouc 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 factory

   a rubber ball

rubber

/ rŭb′ər /

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 Words From

• rubber·less adjective
• rubber·like adjective

Word History and Origins

Origin of rubber¹

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

Origin of rubber²

First recorded in 1585–95; origin uncertain

Word History and Origins

Origin of rubber¹

C16: origin unknown

Origin of rubber²

C17: from rub + -er ¹; the tree was so named because its product was used for rubbing out writing

Example Sentences

The president-elect already has done so with some grotesque Cabinet choices, preceded by his anticonstitutional demand that senators forfeit their “advice and consent” power and instead be rubber stamps.

From Los Angeles Times

They used slender rubber rings as their "squishy" grains and stacked them in a container.

From Science Daily

When stretched in length, an ordinary material such as rubber contracts in width.

From Science Magazine

The method would also turn the leftover crumb rubber into aromatics and carbon black, a soot-like material found in everything from pigments to cosmetics to electronics.

From Science Daily

Many of the rubber inflatable boats used to smuggle migrants across the Channel are manufactured in Turkey and transported over this very border.

From BBC

Related Words

• soft