What does the medical terminology combining form -sis mean?

The medical terminology combining form -sis generally means "state of," "condition of," or "process of." It's often used to indicate a disease, abnormal condition, or a specific process happening in the body.

Here are some examples:

* Neurosis: A mental disorder characterized by anxiety, fear, and other emotional disturbances.

* Cirrhosis: A chronic liver disease characterized by the formation of scar tissue.

* Hemolysis: The breakdown of red blood cells.

* Paralysis: Loss of movement or feeling in a part of the body.

* Emphysema: A lung disease characterized by abnormal enlargement of air spaces.

It's important to note that the meaning of -sis can vary slightly depending on the specific word it's combined with.