Definition of "hyperglycemia" [hyperglycemia]

• The presence of an abnormally high concentration of glucose in the blood. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Chronically high blood sugar levels are referred to as hyperglycemia."
• "Afrezza is powdered insulin for helping adult patients with type 1 and type 2 diabetes mellitus control high blood glucose, also known as hyperglycemia, which is a major cause of diabetes-related complications."
• "More often, chronic, long-term hyperglycemia can lead to health complications, including vision damage and nerve, kidney and heart disease."