[ span-deks ]
/ ˈspæn dɛks /

noun Chemistry.

a synthetic fiber composed of a long-chain polymer, used chiefly in the manufacture of garments to add elasticity.

Origin of spandex

First recorded in 1955–60; anagram of expands Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for spandex

British Dictionary definitions for spandex


/ (ˈspændɛks) /


a type of synthetic stretch fabric made from polyurethane fibre

Word Origin for spandex

C20: coined from an anagram of expands
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

Word Origin and History for spandex



synthetic fiber, 1959, American English, proprietary name, an arbitrary formation from expand.

Online Etymology Dictionary, © 2010 Douglas Harper