spandex definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an elastic fiber, chiefly a synthetic polymer of polyurethane, used in girdles, swimsuits, etc.
Origin: arbitrary metathesis of expand
spandex definition by American Heritage Dictionary
A synthetic fiber or fabric made from a polymer containing polyurethane, used in the manufacture of elastic clothing.adjective
Of or relating to spandex or its elastic qualities.
Origin: Alteration of expand.