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Silastic

[ si-las-tik ]
/ sɪˈlæs tɪk /
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Trademark.

a brand name for any of a group of substances containing polymeric silicones, having the properties of rubber but more capable of withstanding extremely high and low temperatures and other causes of deterioration, used in jet-plane engines, medical prosthetic devices, gaskets, electrical insulation, etc.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for Silastic

Silastic
/ (sɪˈlæstɪk) /

noun

trademark a flexible inert silicone rubber, used esp in prosthetic medicine
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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