/ Dictionary / Index S superhelix: Meaning and Definition of Find definitions for: su•per•he•lix Pronunciation: (s'pur-hē"liks), [key] — pl. -hel•i•ces -he•lix•es. a coil formed by intertwined helical DNA or by protein chains. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. superheat superhero Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language