caffeine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In contrast, ants given low or moderate amounts of caffeine quickly became more efficient.

From Science Daily • Apr. 18, 2026

The research team explored whether caffeine, which is already known to enhance learning in bees, could help ants better remember bait locations and lead more nestmates to them.

From Science Daily • Apr. 18, 2026

To investigate this idea, the scientists designed a controlled experiment using different caffeine levels.

From Science Daily • Apr. 18, 2026

The people who gather in this small room on the eighth floor of the New York Stock Exchange look like a group of middle-aged caffeine addicts.

From The Wall Street Journal • Apr. 15, 2026

The doctors had told him to lay off the caffeine, but he figured they’d make an exception for today.

From "Eleven" by Tom Rogers