# methallenestril

> English word · Noun

## Definitions
1. A synthetic, non-steroidal estrogen formerly used to treat menstrual problems.

## Etymology
From meth- + allene + -estr- (“estrogen”) + -yl.

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