/ Dictionary / Index S scalenohedron: Meaning and Definition of Find definitions for: sca•le•no•he•dron Pronunciation: (skā-lē"nu-hē'drun), [key] — pl. -drons, -dra a hemihedral crystal form of 8 or 12 faces, each face being a scalene triangle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. scalene scalenus Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language