a polygenic disease characterized by abnormally high glucose levels in the blood; any of several metabolic disorders marked by excessive urination and persistent thirst

severe diabetes mellitus with an early onset; characterized by polyuria and excessive thirst and increased appetite and weight loss and episodic ketoacidosis; diet and insulin injections are required to control the disease

mild form of diabetes mellitus that develops gradually in adults; can be precipitated by obesity or severe stress or menopause or other factors; can usually be controlled by diet and hypoglycemic agents without injections of insulin

a mild form of diabetes mellitus in which there are no overt symptoms but there are abnormal responses to some diagnostic procedures