/ Dictionary / Index D dieseling: Meaning and Definition of Find definitions for: die•sel•ing Pronunciation: (dē'zu-ling, -su-), [key] — n. Auto. after-run. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diesel fuel dieselize Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language