# retinol

> English word · Noun · IPA /ˈrɛ.tən̩ɑl/ · frequency rank #55,061

## Definitions
1. A fat-soluble carotenoid vitamin (vitamin A), present in fish oils and green vegetables, essential to normal vision and to bone development.

## Etymology
From retina + -ol.

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