chemical reaction

American  

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

noun

1. Chemistry. reaction.

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chemical reaction British  

noun

1. a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei Compare nuclear reaction

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chemical reaction Cultural  

1. A process in which atoms of the same or different elements rearrange themselves to form a new substance. While they do so, they either absorb heat or give it off.

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Etymology

Origin of chemical reaction

First recorded in 1780–90

Example Sentences

A more advanced version of this technology could eventually allow researchers to capture the complete molecular makeup of a single cell, monitor thousands of chemical reactions simultaneously, and speed up processes such as drug discovery.

From Science Daily

When exposed to vibration, the powder produces a small electric field -- a phenomenon known as the piezoelectric effect -- which drives chemical reactions that generate ROS.

From Science Daily

"Similar to conventional batteries, quantum batteries charge, store and discharge energy. But while everyday batteries rely on chemical reactions, quantum batteries leverage properties of quantum mechanics," Associate Professor Hutchison said.

From Science Daily

Aspirin is made using chemical reactions in laboratories that often rely on petroleum-based ingredients.

From The Wall Street Journal

Every chemical reaction must overcome an energy hurdle before it can occur.

From Science Daily

Related Words

• vicious circle