/ruyz, rayz/ , Pathol.
an uncommon, severe disorder occurring primarily in children after a viral illness, as influenza or chickenpox, and associated with aspirin usage, involving swelling of the brain and liver and affecting other organs: symptoms include fever, projectile vomiting, confusion, and, sometimes, respiratory arrest.
[ after Ralph Douglas Kenneth Reye (1912-78), Australian pediatrician, who co-wrote a description of the syndrome in 1963 ]