Caffeine (Noun)
Meaning
A bitter alkaloid found in coffee and tea that is responsible for their stimulating effects.
Classification
Nouns denoting substances.
Examples
- Researchers have long studied the effects of caffeine on cognitive function and alertness.
- Too much caffeine can lead to jitteriness, anxiety, and interrupted sleep patterns.
- Many people rely on caffeine to help them stay awake and focused throughout the day.
- The amount of caffeine in a cup of coffee can vary greatly depending on the brewing method.
- Pregnant women are often advised to limit their caffeine intake to minimize potential risks to their unborn child.