Which prefix refers to “half” or “partial”?

The prefix "hemi-" is derived from the Greek word "hemíseios," which translates to "half." In medical terminology, this prefix is commonly used to describe conditions, measurements, or anatomical structures that are half or partial in nature. For example, "hemiplegia" refers to paralysis affecting one half of the body, highlighting the prefix's significance in indicating a division into two equal parts.

The other prefixes have distinct meanings. "Dipl-" refers to "double," "tetra-" signifies "four," and "tri-" denotes "three." Each of these prefixes has its unique application, unlike "hemi-" which specifically captures the concept of being half. Understanding these prefixes helps in accurately interpreting various medical terms, enhancing communication in healthcare settings.