noun🔗ShareReactivoA compound or mixture of compounds used to treat or test materials, samples, other compounds or reactants in a laboratory or sometimes an industrial setting."The chemist used a special reagent to test the water sample for lead contamination. "El químico usó un reactivo especial para analizar la muestra de agua en busca de contaminación por plomo.compoundchemistrysubstancematerialsciencetechnicalindustryChat with AIVocabulary GamePractice Reading