In a manner relating to or affecting the epidermis; on or through the outer layer of skin.
From epidermic plus the adverb-forming suffix '-ally,' creating an adverb that modifies verbs, adjectives, or other adverbs to indicate how something relates to the epidermis or outer skin.
You might see 'epidermically applied' in pharmaceutical instructions meaning a medicine is rubbed onto the skin rather than swallowed—the adverb form helps doctors give precise directions about where to use treatments!
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