caffeine

Nghĩa (Tiếng Anh)

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

Từ đồng nghĩa

trimethylxanthine

Tính thường xuyên

C2
Phát âm là (IPA)
/ˈkæfiːn/
Từ nguyên (Tiếng Anh)

Borrowed from French caféine, from café (“coffee”), or German Caffein, Kaffein (cp. Coffein, Koffein), from Kaffee (“coffee”) (cp. Kaffe, Koffee, Koffe), or Italian caffè (“coffee”) + -ine.

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