blood sugar

noun

1. glucose in the blood.

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

blood sugar

noun

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

blood sugar

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.

Word History and Origins

Origin of blood sugar¹

First recorded in 1925–30

Related Words

• glucose