Definitions for: Pyrexia

[n] a rise in the temperature of the body; frequently a symptom of infection

Webster (1913) Definition: Py*rex"i*a, n.; pl. Pyrexi[ae]. [NL., fr. Gr. ? to
be feverish, akin to ? fever.] (Med.)
The febrile condition.

Synonyms: febricity, fever, feverishness

See Also: hyperpyrexia, symptom