Definition of chemical reaction in English:

chemical reaction

Syllabification: chem·i·cal re·ac·tion

noun

A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
More example sentences
  • They each have different chemical reactions because of their molecular structure.
  • A burning cigarette is a complex system in which many types of chemical reactions and physical processes occur in parallel.
  • Soaps are created by the chemical reaction of a fatty acid with an alkali metal hydroxide.

Definition of chemical reaction in:

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Word of the day envenom
Pronunciation: enˈvenəm
verb
put poison on or into; make poisonous