hyperpyrexia

== English == === Etymology === From hyper- +‎ pyrexia. === Noun === hyperpyrexia (countable and uncountable, plural hyperpyrexias) (medicine) An excessive and unusual elevation of set body temperature greater than or equal to 41°C (105.8°F), or extremely high fever. ==== Related terms ==== pyrexia ==== Translations ==== ==== See also ==== hyperthermia