Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “ball bearing”

See all translations

ball bearing

noun [C] uk   us  
a small metal ball or several of these arranged in a ring to make particular parts of a machine move more easily
Translations of “ball bearing”
in Chinese (Traditional) 滾珠, 滾珠軸承…
in Chinese (Simplified) 滚珠, 滚珠轴承…
(Definition of ball bearing from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of ball bearing?
Add Cambridge dictionaries to your browser to your website

Word of the Day

illusion

an idea or belief that is not true

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More