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transdermal

American  
[trans-dur-muhl, tranz-] / trænsˈdɜr məl, trænz- /

adjective

  1. Also transdermic. transcutaneous.

  2. Pharmacology. (of a medication) applied to the skin, usually as part of an adhesive patch, for absorption into the bloodstream.


transdermal British  
/ trænzˈdɜːməl /

adjective

  1. (of a medicine) entering the bloodstream by absorption through the skin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of transdermal

trans- + dermal

Vocabulary lists containing transdermal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As awareness increased in recent years, the demand for bioidentical estrogen and the transdermal patch as the preferred delivery system has gone up.

From MarketWatch • May 12, 2026

Restoring vitamin B12 with oral supplements, a transdermal patch or injections usually corrects the problem.

From Seattle Times • Apr. 17, 2024

"What we were able to show is that using the capsule, we could capture data that matched what the traditional transdermal sensors would capture," Traverso says.

From Science Daily • Nov. 17, 2023

There are also new methods of delivery: Taking hormones via transdermal patch, rather than a pill, allows the medication to bypass the liver, which seems to eliminate the risk of clots.

From New York Times • Feb. 1, 2023

Still, he was the more mobile of the two, as Linda was swaddled in smartcasts that both immobilized her and massaged her, all the while osmosing transdermal antiinflammatories and painkillers.

From Eastern Standard Tribe by Doctorow, Cory

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