What is the meaning of DM?

A general term for diseases marked by excessive urination and elevated blood sugar, esp. diabetes mellitus (DM). DM that is exceptionally difficult to control. The disease is marked by alternating episodes of hypoglycemia and hyperglycemia.

What is the difference between a DM and a PM?

The term is interchangeable with PM, which stands for "private message." PM became popular on Facebook while DM's origins are associated mostly with Twitter but the two have since been used on all forms of social media websites including Instagram. How do I send a DM? DM's are sent different ways on all social media platforms.

What is the origin of DM?

DM caused by diseases of the ovaries, pituitary, thyroid, or adrenal glands. A rare form of DM caused by chronic tropical pancreatitis and destruction of insulin-producing islet cells. DM that begins during pregnancy owing to changes in glucose metabolism and insulin resistance.