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optical aberration

n.
1.an optical phenomenon resulting from the failure of a lens or mirror to produce a good image

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Word of the Day

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  • optical
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  • pine away
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    Idiom of the Day

    scare up (somebody or something) or scare (somebody or something) up
    to find someone or something, to gather something with some effort
    We were able to scare up some sleeping bags so that we could go camping.



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