glucose
GLOO-kohs
/ˈɡluːkoʊs/
A simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.
The specific form of sugar that circulates in the blood; often called 'blood sugar'.
The story behind the word. From the Greek 'gleukos', referring to 'sweet wine' or 'must'. It was identified as the primary sugar in grapes before scientists realized it was the primary sugar in us, too.
Word relationships
- dextrose: Dextrose is the name used for glucose when it is derived from corn or used in medical IV fluids.
Collocations
- blood glucose
- glucose tolerance
- glucose metabolism
Example sentences
- "Monitoring blood glucose levels is a daily necessity for people with Type 1 diabetes." Diabetes management
- "During photosynthesis, plants use sunlight to create glucose from carbon dioxide and water." Plant biology
Memory hook
Glucose gives you the 'Go' (energy). The body's gasoline.
When not to use
Don't use for 'fructose' (fruit sugar) or 'sucrose' (table sugar), though they are related.
Fun facts
- Honey is mostly a mix of glucose and fructose; it's one of the few foods that is almost pure predigested energy.
Related words
Explore more words
nutrient, metabolic, metabolism, adrenaline, enzyme, protein
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