caffeine

Các nghĩa

1. cafêin · cà phê tinh · caffein

   An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system.

   uncountable · usually

   For example, 0.100 grams of caffeine yield by combustion, by weight, 0.180 grammes of carbonic acid.

Dạng khác

• caffeines plural