caffein
3.2
A bitter substance in coffee and tea that makes you feel more awake
- noun
- /ˈkæfiːn/
- Archaic
:
cafeína
- The caffein in tea tends to produce a milder effect compared to coffee.
Examples
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Some energy drinks contain high levels of caffein to boost alertness.
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Research shows that caffein can affect sleep patterns if consumed late in the day.
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I love my morning caffein boost.
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She prefers caffeine over energy drinks.
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Research shows that caffein can affect sleep patterns if consumed late in the day.
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Some energy drinks contain high levels of caffein to boost alertness.
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The caffein in tea tends to produce a milder effect compared to coffee.
Synonyms
caffeine
vscaffein
138
2.0
A bitter substance in coffee, tea, and some drinks that makes you feel more awake
is the same compound but spelled with an alternative nonstandard form
Surface Forms
Etymology
Caffein comes from the word coffee and the ending -ine shows it is a chemical. It was named after the drink because it is the bitter part of coffee and tea that helps 'wake you up'.