adj. & n.
--adj. Med.
1. of or relating to the area beneath the skin.
2 a (of a drug etc. or its application) injected beneath the skin. b (of a needle, syringe, etc.) used to do this.
--n. a hypodermic injection or syringe.
Derivatives:
hypodermically adv.
Etymology: HYPO- + Gk derma skin