Definition of "concentered" [concentered]

• Alternative spelling of concentred; simple past tense and past participle of concenter. (verb)

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• "He pressed the second button in the row and the bright light concentered at a particular place on the concrete wall, illuminating, in a row, a clock, a barometer, and centigrade and Fahrenheit thermometers."
• "“The wretch, concentered all in self,” wrote Sir Walter Scott in 1805, might get “power and pelf” but would wind up “unwept, unhonored and unsung.”"
• "Perhaps they were apprehensive, lest a science which concentered the force of argument, might obstruct the cultivation of that which was meant to dilate it."