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chemical reaction

[kem-i-kuhl ree-ak-shuhn] / ˈkɛm ɪ kəl riˈæk ʃən /


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.

Hydrogen sulfide smells like rotten eggs and can be produced by a chemical reaction and by some organic material, such as sewage.

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

Earlier this year, the South Coast air district learned about another fiery chemical reaction brewing inside El Sobrante Landfill in Corona.

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

“It’s all household stuff. Baking soda. Stuff like that. My cousin told me how. It’s a chemical reaction, but it’s harmless stuff.”

From "Popcorn" by Rob Harrell




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