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.

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

From Science Daily • Apr. 18, 2026

The findings suggest that caffeine could play a role in improving pest control strategies for Argentine ants.

From Science Daily • Apr. 18, 2026

For ants exposed to 25 ppm of caffeine, foraging time decreased by 28 percent with each visit.

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

“Perk—we need some caffeine and sugar. I can’t have you Eeyoring it up tomorrow at Midsummer Night, Miss Director. So we’re going to flush this whatever-it-is out of your system. Let’s go.”

From "From Twinkle, with Love" by Sandhya Menon