noun
A device for measuring the concentration of glucose in the blood, typically using a small drop of blood placed on a disposable test strip, where a chemical reaction with glucose alters the electrical conductivity of the strip.
- ‘he went to prick his finger with a glucometer’
Origin
Mid 19th century (originally denoting an apparatus to determine the amount of sugar in diabetic urine): from gluco- (in glucose) + -meter. The modern personal device dates from the early 1980s. Compare with glucose meter.
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