chemical reaction

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.

Workers at Catalyst Refiners Inc. in Institute, W.Va., were cleaning and decontaminating a metal processing site—in preparation for closing it down—when a chemical reaction created dangerous hydrogen sulfide gas around 9:30 a.m.

From The Wall Street Journal • Apr. 22, 2026

Form’s iron-air batteries generate electricity through a chemical reaction involving oxygen, water and iron powder that mimics how old pieces of metal gather rust.

From Barron's • Feb. 24, 2026

The researchers found that certain phosphate groups in DNA can pull in positively charged molecules during a chemical reaction, helping them align correctly -- much like a magnet drawing a metal bead into place.

From Science Daily • Nov. 8, 2025

The facility housed around 100,000 lithium-ion batteries, which are exceptionally dangerous when ignited because they burn extremely hot and cannot be extinguished with water, which can trigger a violent chemical reaction.

From Los Angeles Times • Oct. 17, 2025

“But what causes them to mix, Horace? This chemical reaction you speak of—what is it?”

From "Snow Falling on Cedars: A Novel" by David Guterson