# Smith-Magenis syndrome

> English word · Noun

## Definitions
1. A microdeletion syndrome characterized by intellectual disability, facial abnormalities, difficulty sleeping, and behavioral problems such as self-harm.

## Etymology
Named after researchers Ann C. M. Smith and R. Ellen Magenis.

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