/ Dictionary / Index H hydrodesulfurization: Meaning and Definition of Find definitions for: hy•dro•de•sul•fu•ri•za•tion Pronunciation: (hī"drō-dē-sul"fyur-u-zā'shun, -fur-u-), [key] — n. desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydrocyanic acid HydroDiuril Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language