Definition of "transdermal" [transdermal]

• Through or by way of the skin: transdermal inoculation; transdermal medication. (adjective)

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.

• "While a recent meta-analysis found that oral HRT increased the risk for stroke by 30%, no large studies have examined the effect of "transdermal" HRT on stroke."
• "Since "transdermal" forms don't have to pass through the liver, as Premarin does, they pose less risks for blood clots that can cause stroke and heart attack."
• "My family and I are taking a combination of the aminos and using the transdermal creme."