# poliosis

> English word · Noun

## Definitions
1. The decrease or absence of melanin in head hair, eyebrows, or eyelashes.

## Etymology
From Ancient Greek πολῐός (polĭós, “grey”) + -osis.

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