Hypodermic \Hyp`o*der"mic\, a. [See Hypoderma.]

Of or pertaining to the parts under the skin.

Hypodermic medication, the application of remedies under the epidermis, usually by means of a small syringe, called the hypodermic syringe. -- Hyp`o*der"mic*al*ly, adv.

Source: Webster's Revised Unabridged Dictionary (1913)