/ Dictionary / Index H Hefner candle: Meaning and Definition of Find definitions for: Hef'ner can'dle Pronunciation: (hef'nur), [key] — Optics. Optics. a German unit of luminous intensity, equal to 0.92 of a candela. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Heffelfinger heft Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language