plasticizer

[plas-tuh-sahy-zer]

noun

any of a group of substances that are used in plastics or other materials to impart viscosity, flexibility, softness, or other properties to the finished product.

an admixture for making mortar or concrete workable with little water.

Origin of plasticizer

First recorded in 1920–25; plasticize + -er¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for plasticizer

plasticizer

plasticiser

noun

any of a number of substances added to materials in order to modify their physical properties. Their uses include softening and improving the flexibility of plastics and preventing dried paint coatings from becoming too brittle

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