Definition of "activates" []

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

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• "Left to its own devices, our brain activates several areas associated with complex problem solving, which researchers had previously assumed were dormant during daydreams."
• "· In the browser, double-clicking or selecting a word activates the tooltip."
• "Options range from simple bracelets to pricier key-chain flash drives, implanted microchips - and call-centers that relay stored health records and notify relatives when an alarm or medic's phone call activates the system."