/ Dictionary / Index L levorotatory: Meaning and Definition of Find definitions for: le•vo•ro•ta•to•ry Pronunciation: (lē"vu-rō'tu-tôr"ē, -tōr"ē), [key] — adj. Optics, Chem., Biochem. turning to the left, as the rotation to the left of the plane of polarization of light in certain crystals and compounds. Symbol: l- Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: levorotatory (Thesaurus) levoglucose levorphanol Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language