The term "hypo-dermic" is commonly used to describe a type of injection that is administered under the skin. However, there are several synonyms for this term that can be used interchangeably depending on the context and the specific type of injection being administered. For instance, the terms "subcutaneous," "sub-Q," or "SC" are often used to describe injections that are delivered under the skin. Other terms that may be used to refer to injections delivered under the skin include "intradermal," "intracutaneous," or "ID." It is important for healthcare professionals and patients alike to understand these different terms and their meanings in order to effectively communicate about medical treatments.