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actinide series

n.
1.a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium
2.(chemistry) a series from actinium to lawrencium of 15 radioactive elements with increasing atomic numbers

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  • actinic ray
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  • actinic radiation
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  • actinic keratosis
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  • actinic dermatitis
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  • actinidia arguta
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  • actinidia chinensis
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  • actinidia deliciosa
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  • actinidia polygama
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  • actiniopteris
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  • actinism
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  • common spoonbill
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  • skimcoat
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    Idiom of the Day

    give (something) a shot
    to try something
    I plan to give golfing a shot during my summer holidays.



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