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countercharge
countercheck
counterclaim
counterclockwise
counterconditioning
counterculture
countercurrent
countercyclical
counterdemonstration
counterespionage
counterexample
counterfactual
counterfeit
counterfoil
counterfort
counterglow
counterhegemonic
Also available:
World English Dictionary
Dictionnaire Français
counteract
coun·ter·act
[
kòwntər ákt
]
(
past and past participle
coun·ter·act·ed
,
present participle
coun·ter·act·ing
,
3rd person present singular
coun·ter·acts
)
transitive verb
Definition:
lessen effect of:
to prevent something from having an effect, or lessen its effect
coun·ter·ac·tion
noun
coun·ter·ac·tive
adjective
coun·ter·ac·tive·ly
adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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© 2009 Microsoft
coun·ter·ac·tion nouncoun·ter·ac·tive adjectivecoun·ter·ac·tive·ly adverb
