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plasticizer

[plas-tuh-sahy-zer] /ˈplæs təˌsaɪ zər/
noun
1.
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.
2.
an admixture for making mortar or concrete workable with little water.
Origin
1920-1925
1920-25; plasticize + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for plasticizer
  • Add a plasticizer, which acts to lubricate the molecules, and the foam gets spongier and softer.
  • Addition of the super-plasticizer was made to increase strength and decrease permeability, not to increase workability.
British Dictionary definitions for plasticizer

plasticizer

/ˈplæstɪˌsaɪzə/
noun
1.
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
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