/ Dictionary / Index H hypereutectoid: Meaning and Definition of Find definitions for: hy•per•eu•tec•toid Pronunciation: (hī"pur-yoo-tek'toid), [key] — adj. Metall. (of an alloy) having more of the alloying element than the eutectoid composition. (of steel) having more carbon than the 0.8 percent of eutectoid steel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hyperesthesia hyperexcitability Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language