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ball bearing

1 ENTRIES FOUND:
ball bearing noun
plural ball bearings
ball bearing
noun
plural ball bearings
Learner's definition of BALL BEARING
[count]
: a part of a machine in which another part (such as a metal pole) turns easily
◊ A ball bearing is made up of several small metal balls that fit between two metal rings.滚珠轴承,球轴承(由装在两个钢圈之间的多个小钢球组成)
: one of the balls in a ball bearing(滚珠轴承中的一个)钢球,滚珠

ball bearing

noun

: a bearing in which the journal turns upon loose hardened steel balls that roll easily in a race
also : one of the balls in such a bearing

Example Sentences

Recent Examples on the Web The station will resemble a shiny ball bearing, and will appear to be moving slowly. Gary Robbins, San Diego Union-Tribune, 6 June 2022 Then Jean Beyl, founder of LOOK, designed a binding with a plate and a ball bearing under the foot to diffuse torque and reduce pressure on the knee. Andrew Freeman, Outside Online, 21 May 2012 Aref said that the distinction between ball bearing and bullet wounds is clear to him after witnessing multiple similar mass casualty events in Kabul. Joaquin Sapien, ProPublica, 4 Feb. 2022 What does thinking or looking like a ball bearing or like the New Christy Minstrel Singers have to do with righteousness? Gordon Monson, The Salt Lake Tribune, 2 Jan. 2022 Hours are clocked via a 24-hour jumping display that runs on a ceramic ball bearing in a window at 12 o’clock. Carol Besler, Robb Report, 30 Aug. 2021 The ball bearing joint in the middle of the shears allows for precision and smooth cutting through any type of surface. Chris Hachey, BGR, 20 May 2021 Each one of your employees needs to be at their best, like the perfect smoothness of the ball bearing. Shakeel Ahmed, Forbes, 15 Apr. 2021 Lightweight ball bearing reel with aluminum spool that won't rust. Bob Beacham, chicagotribune.com, 17 Oct. 2020 See More

Word History

First Known Use

1860, in the meaning defined above

Time Traveler
The first known use of ball bearing was in 1860

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