/ Dictionary / Index D dextrorotatory: Meaning and Definition of Find definitions for: dex•tro•ro•ta•to•ry Pronunciation: (dek"strō-rō'tu-tôr"ē, -tōr"ē), [key] — adj. Optics. turning to the right, as the rotation to the right of the plane of polarization of light in certain crystals and the like. Symbol: d- Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dextrorotatory (Thesaurus) dextroglucose dextrorse 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