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reflectivity

n.
1.the fraction of radiant energy that is reflected from a surface
2.the ability to reflect beams or rays

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Word of the Day

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    Idiom of the Day

    in the balance
    in an undecided state
    Our decision to buy a car was in the balance as we tried to borrow money from the bank.



    1.
    Choose an idiom to replace the expression in the brackets:
    The man (lost all of his money) at the horse races.

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