Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “rubber”

rubber

noun [C/U]  /ˈrʌb·ər/ us  
an elastic, waterproof substance made either from the juice of a tree that grows in hotter parts of the world or artificially: [U] rubber boots/gloves [U] Tires are made of rubber. Br A rubber is an eraser. Rubbers are waterproof shoes made of rubber, which are worn over regular shoes to keep them dry: [pl] Wear your rubbers – it’s raining.
(Definition of rubber from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of rubber?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “rubber”

Definitions of “rubber” in other dictionaries

Word of the Day

first:

(a person or thing) coming before all others in order, time, amount, quality, or importance

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More