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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.

See Examples For:

Oral estrogens have been unfairly maligned, while transdermal patches have been deemed a safer option.

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

The transdermal route is considered safer: When absorbed through the skin, the hormones bypass the liver, which would otherwise create substances that might raise the risk of heart attack or cancer.

From New York Times Feb. 10, 2014

The transdermal mood-balancer on my bicep was seeing to that—doctor’s orders.

From Down and Out in the Magic Kingdom by Doctorow, Cory

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