Nearby Words

reactive

[ree-ak-tiv]

re·ac·tive

[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

re·ac·tive·ly, adverb
re·ac·tive·ness, noun
an·ti·re·ac·tive, adjective
hy·per·re·ac·tive, adjective
non·re·ac·tive, adjective
EXPAND
o·ver·re·ac·tive, adjective
un·re·ac·tive, adjective
COLLAPSE

proactive, reactionary, reactive.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Reactive is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
Collins
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
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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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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