# Riley-Day syndrome

> English word · Noun

## Definitions
1. A rare genetic disorder of the autonomic nervous system.

## Etymology
Originally reported by Drs. Conrad Milton Riley and Richard Lawrence Day in 1949.

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