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Rainbow [258]
3 years ago
7

Definition of caffeine

Health
2 answers:
Alekssandra [29.7K]3 years ago
6 0
A nitrogenous organic compound (alkaloid), that is found in tea or coffee, which is a stimulant of the central nervous system. 
tatiyna3 years ago
3 0
A crystalline compound that is found especially in tea and coffee plants and is a stimulant of the central nervous system.
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