The word "posifebrile" is a medical term that refers to a condition in which a person experiences a fever after being exposed to an infectious disease. It is pronounced /pɒsɪˈfɛbrəl/, with stress on the second syllable. The spelling of the word can be broken down into three parts: "posi" meaning "after," "febrile" meaning "related to fever," and the suffix "-ile" meaning "pertaining to." In order to correctly pronounce and spell such medical terms, it is necessary to understand the roots, prefixes, and suffixes from which they are derived.
Occurring after a fever.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.