About 366,000 results
Open links in new tab
  1. REACTANT Definition & Meaning - Merriam-Webster

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

  2. What is a Reactant? - ChemTalk

    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 …

  3. What Is a Reactant in Chemistry? - ThoughtCo

    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. …

  4. REACTANT | English meaning - Cambridge Dictionary

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

  5. Reactants and Products - Definition ... - CK-12 Foundation

    Jan 1, 2026 · A reactant is a substance that is present at the start of a chemical reaction. The substance (s) to the right of the arrow are called products. A product is a substance that is …

  6. Reactant - Simple English Wikipedia, the free encyclopedia

    In chemistry, reactant is the term for the ingredients for a chemical reaction. [1] Reactants are changed into products by the reaction, and are written on the left side of a chemical equation.

  7. What Is a Reactant in a Chemical Reaction? - Biology Insights

    3 days ago · The defining difference between a reactant and a product lies in their role during the chemical process: reactants are the substances consumed, and products are the new …

  8. Reactant - definition of reactant by The Free Dictionary

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

  9. Definition of reactant - Chemistry Dictionary

    Reactants interact with each other during the reaction to form new substances, called products. The term "reactant" is universally applicable across all subfields of chemistry, including organic …

  10. reactant - Wiktionary, the free dictionary

    1 day ago · reactant (plural reactants) (chemistry) Any of the participants present at the start of a chemical reaction, specifically one that is consumed during the reaction.