# lactol

> English word · Noun

## Definitions
1. any cyclic hemiacetal formed by the intramolecular addition of a hydroxy group to a carbonyl group

## Etymology
lacto- + -ol

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