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contraction joint

American  

noun

Architecture, Civil Engineering.

  1. a joint between two parts of a structure, designed to compensate for the contraction to which either part may be subject.

Etymology

Origin of contraction joint

First recorded in 1905–10

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.