noun🔗ShareReactivosAny of the participants present at the start of a chemical reaction"In baking a cake, the flour, sugar, and eggs are the reactants that combine to form the final product. "Al hornear un pastel, la harina, el azúcar y los huevos son los reactivos que se combinan para formar el producto final.chemistrysubstancecompoundprocessscienceChat with AIVocabulary GamePractice Reading