SINCE 1828
rubber
noun (1)
rub·ber
| \ ˈrə-bər
\
\
Definition of rubber
(Entry 1 of 2)
1a
: one that rubs
b
: an instrument or object (such as a rubber eraser) used in rubbing, polishing, scraping, or cleaning
c
: something that prevents rubbing or chafing
2 [ from its use in erasers ]
a
: an elastic substance that is obtained by coagulating the milky juice of any of various tropical plants (as of the genera Hevea and Ficus), is essentially a polymer of isoprene, and is prepared as sheets and then dried
— called also caoutchouc, india rubber
b
: any of various synthetic rubberlike substances
c
: natural or synthetic rubber modified by chemical treatment to increase its useful properties (such as toughness and resistance to wear) and used especially in tires, electrical insulation, and waterproof materials
3
: something made of or resembling rubber: such as
a
: a rubber overshoe
b(1)
: a rubber tire
(2)
: the set of tires on a vehicle
c
: a rectangular slab of white rubber in the middle of a baseball infield on which a pitcher stands while pitching
d
: condom sense 1
rubber
noun (2)Definition of rubber (Entry 2 of 2)
1
: a contest consisting of an odd number of games won by the side that takes a majority (such as two out of three)
2
: an odd game played to determine the winner of a tie
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More Definitions for rubber
rubber
noun
rub·ber
| \ ˈrə-bər
\
\
Kids Definition of rubber
1
: an elastic substance obtained from the milky juice of some tropical plants
2
: something (as an overshoe) made of rubber
3
: something used in rubbing
4
: a synthetic substance like rubber
5
: a flat white rectangle on which a baseball pitcher stands
rubber
noun
rub·ber
| \ ˈrəb-ər
\
\
Medical Definition of rubber
1
: an elastic substance that is obtained by coagulating the milky juice of any of various tropical plants (as of the genera Hevea and Ficus), is essentially a polymer of isoprene, and is prepared as sheets and then dried
— called also caoutchouc, india rubber
2
: condom sense 1
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