Definition, Meaning & Synonyms
cafeina
Noun
/kəˈfiːn/
Definition
Caffeine is a central nervous system stimulant that temporarily wards off drowsiness and restores alertness.
Examples
- Caffeine is commonly consumed in coffee.
- Many people enjoy tea as a source of caffeine.
- Caffeine helps increase alertness and concentration.
Meaning
Caffeine is a psychoactive substance found in coffee, tea, soft drinks, chocolates, and certain medications. It is known for its stimulating effects on the brain and body.
Synonyms
- theine
- guaranine
- mateine