カフェイン
かふぇいん
noun
caffeine
1.
caffeine
The stimulant found in coffee, tea, and many soft drinks that helps keep one awake and alert.
コーヒーにはカフェインが多い。
Coffee has a lot of caffeine.
夜はカフェインを取らないようにしている。
I try not to take in caffeine at night.
カフェインの取りすぎは眠れなくなる原因になる。
Taking in too much caffeine can be a cause of being unable to sleep.
A loanword (from English "caffeine"). Found in coffee, tea, and energy drinks; valued as a stimulant but a concern when consumed in excess.
COMMON COLLOCATIONS:
- カフェインを取る: take in / consume caffeine
- カフェイン入り: containing caffeine
- カフェインレス: caffeine-free (decaf)
- カフェインの取りすぎ: too much caffeine