# photoptarmosis

> English word · Noun

## Definitions
1. Photic sneeze reflex.

## Etymology
From photo- + Ancient Greek πταρμός (ptarmós, “sneeze”) + -osis.

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