/ Dictionary / Index D dielectric strength: Meaning and Definition of Find definitions for: di'elec'tric strength' Pronunciation: [key] — Elect. Elect. the maximum voltage that can be applied to a given material without causing it to break down, usually expressed in volts or kilovolts per unit of thickness. Cf. breakdown voltage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dielectric loss Diels Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language