# metallacyclobutene

> English word · Noun

## Definitions
1. A four-membered cyclic organometallic compound containing a metal atom bonded to two carbon atoms of an alkene.

## Etymology
From metallo- + cyclobutene.

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