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rubber

1
[ ruhb-er ]
/ ˈrʌb ər /
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See synonyms for: rubber / rubbered / rubbering / rubbers on Thesaurus.com

noun

verb (used without object)

Informal. to rubberneck.

adjective

made of, containing, or coated with rubber: a rubber bath mat.
pertaining to or producing rubber: a rubber plantation.

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Origin of rubber

1
First recorded in 1530–40; rub + -er1
rub·ber·less, adjectiverub·ber·like, adjective

Definition for rubber (2 of 2)

rubber2
[ ruhb-er ]
/ ˈrʌb ər /

noun

(in certain card games, as bridge and whist)
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.

adjective

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

Origin of rubber

2
First recorded in 1585–95; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for rubber (1 of 2)

rubber1
/ (ˈrʌbə) /

noun

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

British Dictionary definitions for rubber (2 of 2)

rubber2
/ (ˈrʌbə) /

noun

bridge whist
  1. a match of three games
  2. the deal that wins such a match
a series of matches or games in any of various sports
C16: origin unknown
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

rubber
[ rŭbər ]

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.
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