1. Plural of hyperpyrexia; instances of extremely high fever, typically above 106°F (41°C), often indicating a serious medical condition.
Usage: Medical/clinical term; Plural form

Examples

• The patient experienced repeated hyperpyrexias during the acute phase of the infection.
• Hyperpyrexias of this magnitude require immediate medical intervention.
• The doctor documented several hyperpyrexias in the patient's medical record.
• Certain medications can trigger hyperpyrexias as a severe side effect.
• Heat stroke can result in dangerous hyperpyrexias that threaten organ function.