# transdermal

> English word · Adjective · frequency rank #72,840

## Definitions
1. Through the unbroken skin (as for example with measurements of blood glucose level with an optical glucometer using photometry or of oxygen saturation via pulse oximetry).

## Etymology
From trans- + dermal.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/transdermal