Hyperpyrexia

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hyperpyrexia \Hy`per*py*rex"i*a\, n. [NL. See {Hyper-}, and
     {Pyrexia}.] (Med.)
     A condition of excessive fever; an elevation of temperature
     in a disease, in excess of the limit usually observed in that
     disease.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  hyperpyrexia
       n : extremely high fever (especially in children)