/ Dictionary / Index H hyperthermia: Meaning and Definition of Find definitions for: hy•per•ther•mi•a Pronunciation: (hī"pur-thûr'mē-u), [key] — n. abnormally high fever. treatment of disease by the induction of fever, as by the injection of foreign protein or the application of heat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hyperthermia (Thesaurus) hypertext hyperthymia Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language