Definition of Ketone
Ketone: A chemical substances that the body makes when it does not have enough insulin in the blood. When ketones build up in the body for a long time, serious illness or coma can result. See: Diabetic ketoacidosis; Ketoacidosis.
Last Editorial Review: 10/9/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?
Get the latest health and medical information delivered direct to your inbox FREE!