# fenestrel

> English word · Noun

## Definitions
1. A synthetic, non-steroidal estrogen developed as a postcoital contraceptive in the 1960s but was marketed.

## Etymology
From phen- + -estr- (“estrogen”).

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