noun🔗ShareResponsiveness to stimulation"The toddler's high reactivity to loud noises meant she would often cry during thunderstorms. "physiologybiologymedicineChat with AIVocabulary GamePractice Reading
noun🔗ShareRelative susceptibility to chemical reaction"The reactivity of the new cleaning solution is quite high, so it quickly removes stains. "chemistrysubstancecompoundmaterialphysicsscienceChat with AIVocabulary GamePractice Reading
