You searched for: “exacerbation”
exacerbation (s) (noun), exacerbations (pl)
An increase in the severity of a disease or any of its symptoms: The doctor diagnosed an exacerbation of June's fever which was getting worse from day to day.
This entry is located in the following units: acerb-, acerbo-; acri-, acrid- (page 2) -ation, -ization (-iz[e] + -ation); -isation (British spelling variation) (page 38)