blood sugar

American  

noun

1. glucose in the blood.

2. the quantity or percentage of glucose in the blood.

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blood sugar British  

noun

1. med the glucose concentration in the blood: the normal fasting value is between 3.9 and 5.6 mmol/l

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blood sugar Scientific  

1. Sugar in the form of glucose in the blood. The concentration of blood sugar is measured in milligrams of glucose per 100 milliliters of blood.

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Etymology

Origin of blood sugar

First recorded in 1925–30

Example Sentences

See Examples For:

blood sugar

This was true even when they achieved substantial and lasting weight loss, particularly when researchers examined blood sugar regulation.

From Science Daily ● Jul. 28, 2026

These measures reflect how effectively the body regulates blood sugar and responds to insulin, the hormone that helps move glucose from the bloodstream into cells.

From Science Daily ● Jul. 24, 2026

GLP-1 medications like Ozempic are also peptides: they mimic a naturally occurring molecule that regulates appetite, blood sugar and digestion.

From Barron's ● Jul. 23, 2026

"Today is the 16th day of his hunger strike and his blood sugar level and blood pressure have dropped and whenever he tries to sit or stand, he feels very dizzy," Dipke told the BBC.

From BBC ● Jul. 13, 2026

He told her she needed to educate herself, learn the warning signs, know how to bring down her blood pressure and control her blood sugar.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Related Words

• glucose