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siloxane

[si-lok-seyn]
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noun Chemistry.
  1. any of the class of compounds containing the structural unit R2SiO, where R is an organic group or hydrogen.

Origin of siloxane

First recorded in 1920–25; sil(icon) + ox(ygen) + -ane
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for siloxane

siloxane

noun
  1. any of a class of compounds containing alternate silicon and oxygen atoms with the silicon atoms bound to hydrogen atoms or organic groups. Many are highly complex polymersSee also silicone

Word Origin

C20: from sil (icon) + ox (ygen) + (meth) ane
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