# methylenedioxy

> English word · Noun

## Definitions
1. A functional group with the structural formula R-O-CH₂-O-R', connected to the rest of a molecule by two chemical bonds.

## Etymology
From methylene + di- + oxy-.

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