A hypodermic syringe is a common tool used in medical procedures, but there are many synonyms for this device. One synonym is a needle and syringe, which describes the combination of a needle and a container, typically made of plastic, used to store and deliver medications. Another synonym is a hypodermic needle, which refers specifically to the sharp component of the syringe that pierces the skin. A third synonym is a hypodermic injection device, which is a broader term that can refer to any type of tool used to inject medication beneath the skin. Other related terms include injection equipment, syringe pump, and intravenous injection device.