# pinacol

> English word · Noun

## Definitions
1. any tetra-substituted derivative of ethylene glycol, of general formula R₂C(OH)-C(OH)R₂, especially the simplest example where R is methyl

## Etymology
From Ancient Greek πίναξ (pínax, “tablet”) + -ol. Actualized from pinacone.

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