• synonyms

contraction joint

See more synonyms on Thesaurus.com
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.

Origin of contraction joint

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018