- hypodermic, subcutaneous - relating to or located below the epidermis; "hypodermic needle"; "subcutaneous implant"
- hypodermic syringe, hypodermic, hypo - a piston syringe that is fitted with a hypodermic needle for giving injections
--1 is a kind of syringe
--1 has parts: hypodermic needle
--1 has particulars: autoinjector