The meaning of REACTANT is a substance that enters into and is altered in the course of a chemical reaction.

A reactant is a chemical substance that is present at the start of a chemical reaction, and is changed as the chemical reaction proceeds. They could also be referred to as terms like …

Molecules collide and react with each other to form products that can transform back into the initial reactant species.

Aug 10, 2019 · Reactants are the starting materials in a chemical reaction. Reactants undergo a chemical change in which chemical bonds are broken and new ones formed to make products. …

Reactants are the initial substances present before a chemical reaction occurs, and they are consumed or transformed during the reaction. The number and types of reactants involved in a …

…one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction …

Aug 24, 2025 · Reactants are the initial substances present at the beginning of a chemical reaction. They are the raw materials that undergo a chemical change, meaning their original …

Definition of reactant noun from the Oxford Advanced Learner's Dictionary. a substance that takes part in and is changed by a chemical reaction. Questions about grammar and vocabulary? …

A reactant is a substance that changes in a chemical reaction. Vinegar and baking soda are reactants — when you mix them together, they bubble up and make really good lava for a …

Define reactant. reactant synonyms, reactant pronunciation, reactant translation, English dictionary definition of reactant. n. A substance that is altered or incorporated into another …