Carbohydrate
/ˌkɑːrboʊˈhaɪdreɪt/
nounIntermediateVery CommonGeneral
Meaning
Question
Definitions
1
A biological molecule consisting of carbon, hydrogen, and oxygen atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water). They are a major source of energy for living organisms.
/ˌkɑːrboʊˈhaɪdreɪt/
nounneutralIntermediate
General
A type of organic compound
Fruits are a good source of carbohydrates.
💡 Simply: Sugars and starches that give us energy.
More Examples
2
Excessive carbohydrate intake can lead to weight gain.
How It's Used
Biology
"Carbohydrates are a major source of energy for the body."
Nutrition
"A balanced diet should include a moderate amount of carbohydrates."
From French *hydrate de carbone*, literally "hydrate of carbon", coined in 1844 by French chemist Marcellin Berthelot.
The term's modern scientific understanding emerged in the 19th century, with initial research focusing on its chemical composition.
Memory tip
Think 'carbon' + 'hydrate' (water) - it's basically hydrated carbon.
Practice
Base: carbohydrate
carbohhydratecarbohydrtatecarohydrate
Usage
20%Spoken
80%Written