/ Dictionary / Index D dodecanal: Meaning and Definition of Find definitions for: do•dec•a•nal Pronunciation: (dō-dek'u-nal", -nôl"), [key] — n. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dodecahedron Dodecanese Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language