blood sugar
Americannoun
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glucose in the blood.
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the quantity or percentage of glucose in the blood.
noun
Etymology
Origin of blood sugar
First recorded in 1925–30
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Their A1C, a measure of blood sugar, was elevated.
From The Wall Street Journal • Jun. 22, 2026
New research shows how blood sugar problems affect brain health and vice versa.
From Science Daily • Jun. 17, 2026
Within this was an intensive-management program for a subset of high-risk patients, including those with Type 1 diabetes, gestational diabetes or hemoglobin A1C levels — an indicator of blood sugar — at 9.0% or more.
From Los Angeles Times • Jun. 14, 2026
She also checks her blood sugar, for her diabetes, and to see how much water she is drinking, for her kidneys.
From The Wall Street Journal • Jun. 9, 2026
“Mira,” Mom sighed, “it could take up to ten visits to get his blood sugar in line. We’d need enough money to cover expenses for at least three months.”
From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
