from The Century Dictionary.

  • noun The state of being reactive: the process or course of reaction, as from a diseased condition.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun responsiveness to stimulation
  • noun chemistry relative susceptibility to chemical reaction

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun responsive to stimulation
  • noun ready susceptibility to chemical change


Sorry, no etymologies found.



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