from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. responsiveness to stimulation
- n. relative susceptibility to chemical reaction
from The Century Dictionary and Cyclopedia
- n. The state of being reactive: the process or course of reaction, as from a diseased condition.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. responsive to stimulation
- n. ready susceptibility to chemical change
Sorry, no etymologies found.