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 smoldering chemical reaction inside Chiquita Canyon Landfill is growing and could last for decades, according to a new state analysis.

From Los Angeles Times • Nov. 19, 2025

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

“You’ve smelled rotten eggs? That’s sulfur dioxide, released from the chemical reaction of rotting organic material. This is going to stink just like that.”

From "October Sky" by Homer Hickam