Definition of rubber
1a : one that rubsb : an instrument or object (such as a rubber eraser) used in rubbing, polishing, scraping, or cleaningc : 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 rubberb : any of various synthetic rubberlike substancesc : 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 asa : a rubber overshoeb (1) : a rubber tire (2) : the set of tires on a vehiclec : a rectangular slab of white rubber in the middle of a baseball infield on which a pitcher stands while pitchingd : condom 1
rubber
adjectiveExplore Merriam-Webster
15th Century
First Known Use of rubber
15th century
rubber
Definition of rubber
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
Origin and Etymology of rubber
origin unknown
First Known Use: 1594
RUBBER Defined for Kids
rubber
playDefinition of rubber for Students
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
Medical Dictionary
rubber
playMedical 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 1
Learn More about rubber
-
See words that rhyme with rubber Spanish Central: Translation of rubber Nglish: Translation of rubber for Spanish speakers Britannica English: Translation of rubber for Arabic speakers Britannica.com: Encyclopedia article about rubber
Seen and Heard
What made you want to look up rubber? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!