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big end

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noun Machinery.
the end of a connecting rod or piston rod that is attached to a crankpin.
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Origin of big end

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for big end

big end

noun British
Also called (in vertical engines): bottom end the larger end of a connecting rod in an internal-combustion engineCompare little end
the bearing surface between the larger end of a connecting rod and the crankpin of the crankshaft
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
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