Breadcrumb Home > Dictionary > Index H hyperhidrosis: Meaning and Definition of Find definitions for: hy•per•hi•dro•sis Pronunciation: (hī"pur-hi-drō'sis), [key] — n. Pathol. abnormally excessive sweating. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hyperhidrosis (Thesaurus) hypergolic hyperinflate TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: ailurophobia Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language