Definition of "counteracts" [counteracts]

• Third-person singular simple present indicative form of counteract. (verb)

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• "(1945-1947) have shown that the anterohypophysis inhibits hexokinase and that insulin counteracts this inhibition."
• "HSP90 inhibitor 17-AAG, we observed that bcl-2 overexpression counteracts both HIF-1α protein degradation induced by 17-AAG, and the reduction of interaction between HIF-1α and HSP90 induced by the inhibitor."
• "I guess the junk food kind of counteracts the yoga, but it makes for a good night anyway!"