/ Dictionary / Index D ductile: Meaning and Definition of Find definitions for: duc•tile Pronunciation: (duk'tl, -til), [key] — adj. capable of being hammered out thin, as certain metals; malleable. capable of being drawn out into wire or threads, as gold. able to undergo change of form without breaking. capable of being molded or shaped; plastic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ductile (Thesaurus) duct ductile iron Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language