reactively

reactive

[ree-ak-tiv]
adjective
1.
tending to react.
2.
pertaining to or characterized by reaction.
3.
Electricity. pertaining to or characterized by reactance.

Origin:
1705–15; react + -ive

reactively, adverb
reactiveness, noun
antireactive, adjective
hyperreactive, adjective
nonreactive, adjective
overreactive, adjective
unreactive, adjective

proactive, reactionary, reactive.
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World English Dictionary
reactive (rɪˈæktɪv)
 
adj
1.  readily partaking in chemical reactions: sodium is a reactive metal; free radicals are very reactive
2.  of, concerned with, or having a reactance
3.  responsive to stimulus
4.  (of mental illnesses) precipitated by an external cause: reactive depression
 
re'actively
 
adv
 
reactivity
 
n
 
re'activeness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

reactive re·ac·tive (rē-āk'tĭv)
adj.

  1. Tending to be responsive or to react to a stimulus.

  2. Characterized by reaction.

  3. Tending to participate readily in chemical reactions.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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