(ˌ)rē+ noun
Etymology: International Scientific Vocabulary reactive + -ity
1. : the quality or state of being reactive
2. : the rate of nuclear disintegration in a reactor
(ˌ)rē+ noun
Etymology: International Scientific Vocabulary reactive + -ity
1. : the quality or state of being reactive
2. : the rate of nuclear disintegration in a reactor
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012