Rett syndrome

noun

variants or Rett's syndrome
: a progressive neurodevelopmental genetic disorder that primarily affects females usually during infancy, that is characterized by cognitive and psychomotor deterioration, slowed head and brain growth, stereotyped hand movements, seizures, and intellectual disability

Dictionary Entries Near Rett syndrome

Cite this Entry

“Rett syndrome.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Rett%20syndrome. Accessed 28 Mar. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


A Good Old-Fashioned Quiz

True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY