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Definitions

caffeine

[ka-feen, kaf-een, kaf-ee-in] / kæˈfin, ˈkæf in, ˈkæf i ɪn /


Example Sentences

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That caffeine reference was perhaps as much to the time zone, as nod to the city's famous café culture.

From BBC Sep. 9, 2026

"And our results show that caffeine helps flip that switch."

From Science Daily Sep. 9, 2026

"Fortunately I've got over the caffeine withdrawals," he said.

From BBC Sep. 8, 2026

Lynch’s order included a chocolate milkshake and coffee, the cold sugar and caffeine fueling his ideas.

From Los Angeles Times Aug. 18, 2026

His senses tingled like he’d been injected with caffeine.

From "The Son of Neptune" by Rick Riordan




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