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

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

From Science Daily

The crystals are driven by a chemical reaction similar to the one used to power rockets.

From Science Daily

According to the team's models, these gases form when ultraviolet radiation from the host star, the red dwarf L 98-59, drives chemical reactions.

From Science Daily

Their electronic band gaps allow them to absorb visible light, which makes them suitable for sunlight driven chemical reactions.

From Science Daily

By learning patterns from known chemical reactions, the AI system can simulate possible outcomes before experiments are performed.

From Science Daily

Related Words

• vicious circle