/ Dictionary / Index T transdermal: Meaning and Definition of Find definitions for: trans•der•mal Pronunciation: (trans-dûr'mul, tranz-), [key] — adj. transcutaneous. (of a medication) applied to the skin, usually as part of an adhesive patch, for absorption into the bloodstream. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: transdermal (Thesaurus) transcutaneous transdialect Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language