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

Although insulin therapy is essential for managing the condition, people with Type 1 diabetes can still develop heart disease at an earlier age because persistently high blood sugar can damage blood vessels.

From Science Daily ● Aug. 26, 2026

Lifestyle factors — such as diet, sleep, regular exercise, managing blood pressure and blood sugar, avoiding tobacco and alcohol — can reduce the risk of dementia by up to 45%, Tan said.

From MarketWatch ● Aug. 17, 2026

Only 7% of American adults have healthy blood pressure, blood sugar, cholesterol and weight.

From The Wall Street Journal ● Aug. 14, 2026

Medical practices collect their payments in full only when their patients’ blood pressure or blood sugar actually improves.

From The Wall Street Journal ● Aug. 14, 2026

Other than trying to find the right insulin dosage to bring his blood sugar down, which could take almost three months, everything else was looking up for Fig.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

Related Words

• glucose