reactive Meaning, Definition & Usage
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adjective participating readily in reactions
- sodium is a reactive metal
- free radicals are very reactive
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adjective satellite reacting to a stimulus
responsive.
- the skin of old persons is less reactive than that of younger persons
WordNet
Re*act`ive adjective
Etymology
Cf. F.Definitions
Having power to react; tending to reaction; of the nature of reaction. --Re*act"ive*ly , adv. --Re*act"ive*ness , n.