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.

After collecting samples, researchers bring them back to the lab, separate the microscopic glass from the soil and chemically analyze it to confirm whether it came from the Toba eruption.

From Science Daily • May 11, 2026

But it is still semi-synthetic, and a type of plastic, because of the way the natural material is chemically modified.

From BBC • Apr. 22, 2026

Choe's lab focuses on how urban insect pests communicate chemically, with the goal of turning that knowledge into smarter control strategies for pests such as western drywood termites.

From Science Daily • Apr. 20, 2026

The first piece presented featured a 10-carat Type IIa diamond—among the rarest and most chemically pure stones—set in a necklace that could be transformed into a ring.

From The Wall Street Journal • Apr. 9, 2026

The nitrogen in the Earth’s atmosphere is much more chemically inert and therefore much more benign than oxygen.

From "Cosmos" by Carl Sagan