/ Dictionary / Index D dieselize: Meaning and Definition of Find definitions for: die•sel•ize Pronunciation: (dē'zu-līz", -su-), [key] — v., -ized, -iz•ing. —v.t. to equip with diesel machinery. —v.i. to become equipped with diesel machinery or vehicles, as a railroad. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dieseling diesinker Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language