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pair production

n.
1.the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus

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Word of the Day

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  • pair off
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  • pair of virginals
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  • pair of tweezers
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  • pair of tongs
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  • pair of scissors
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  • pair of pliers
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  • pair of pincers
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  • pair formation
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  • pair creation
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  • pair
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  • pairing
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  • paisa
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  • paisley
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  • paiute
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  • paiwanic
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  • pajamas
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  • pakchoi
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  • pakistan
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  • pakistani
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  • pakistani monetary unit
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  • theca
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  • lab coat
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  • teucrium canadense
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  • gobble
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  • south african
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  • karl alex muller
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  • plecoptera
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  • structural gene
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  • blister rust
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  • sao jose dos campos
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    Idiom of the Day

    flash in the pan
    someone or something that makes a flashy start and then fails
    The man's sports career was a flash in the pan. Recently, I have not heard anything about him.



    1.
    In the end nobody came that day. When I phoned, I was told it ________ come the following Tuesday.

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