# silylethynyl

> English word · Noun

## Definitions
1. Any of a class of univalent radicals, R₃Si-C≡C-, having a silyl group attached to the remote carbon atom of an ethynyl group

## Etymology
From silyl + ethynyl.

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