Definition of "transdermal patch" [transdermal patch]

• A medicated adhesive pad that is placed on the skin to deliver a time-release dose of medication through the skin into the bloodstream. Also called skin patch. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.