кофеи́н — meaning in English

English meaning

• caffeine noun A natural stimulant found in coffee, tea, and cacao that increases alertness and reduces tiredness.

Senses

кофеи́н is used for these senses in English:

• caffeine An alkaloid, C8H10N4O2, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system. [from 1830]