Dictionary.com
Thesaurus.com

mechanical twin

American  

noun

Metallurgy.

  1. a crystalline twin formed by the strain set up by an applied force.

Etymology

Origin of mechanical twin

First recorded in 1920–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The redesigned 2022 Subaru BRZ is Exhibit A. This small, lively two-door coupe returns alongside its mechanical twin, the Toyota GR 86, with several minor improvements and one major upgrade: the engine.

From Seattle Times • Oct. 13, 2021

It also includes the 2009 and 2010 Pontiac Vibe, a mechanical twin of the Matrix.

From New York Times • Jan. 28, 2010

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.