# polyvinylsiloxane

> English word · Noun

## Definitions
1. An addition-reaction silicone elastomer, widely used for taking impressions, as in dentistry or for inspecting the interior features of machine parts.

## Etymology
From polyvinyl + siloxane.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/polyvinylsiloxane