# tocopherol

> English word · Noun · frequency rank #74,580

## Definitions
1. Any of several isomers of the principal component of vitamin E, each containing a chromanol ring and an isoprene side-chain.

## Etymology
From Ancient Greek τόκος (tókos, “childbirth”) + φέρειν (phérein, “to bear or carry”) + -ol.

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