a, e, p, h, r, t, i, y, x are letters that make 'heat hyperpyrexia'
ER, heat, he, pe, re, hype, pyre, He, at, XI, Ea, Rex, ex, xi, IA, Re, pyrexia, hyperpyrexia, At, Er, Pyrex, yr, eat are words within 'heat hyperpyrexia'
1 possible definitions for 'heat hyperpyrexia'
Under this definition, heat hyperpyrexia is a noun and has the following properties:
heatstroke has the same meaning as heat hyperpyrexia
'heat hyperpyrexia' can be a type of collapse, prostration.
heat exhaustion, insolation, heat prostration, sunstroke, thermic fever, siriasis are types of 'heat hyperpyrexia'.