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English definition of “powerful”


adjective (IMAGE SIZE)    /ˈpaʊə.fəl/ US  /ˈpaʊɚ-/
having the power to increase the size of an image of something that is very small or far away many times : You'd need an extremely powerful microscope to see something so small .Optics, microscopy and lasersEyesight, glasses and lenses
(Definition of powerful adjective (IMAGE SIZE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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