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rest energy

n.
1.the energy equivalent to the mass of a particle at rest in an inertial frame of reference

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Word of the Day

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  • rest day
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  • rest area
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  • rest
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  • responsiveness
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  • responsive
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  • responsibly
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  • responsibleness
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  • responsible for
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  • responsible
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  • responsibility
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  • rest home
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  • rest house
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  • rest mass
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  • rest on
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  • rest period
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  • rest stop
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  • rest-cure
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  • rest-harrow
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  • restart
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  • defibrillation
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  • louis armstrong
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  • assassinator
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  • armed
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  • dosshouse
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  • flavour
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  • fetich
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  • bank vault
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  • adaptability
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  • heartlessly
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    Idiom of the Day

    in some/many respects
    with regard to some or many details
    In many respects our new house is much more convenient than our previous one.



    1.
    If something is all at sixes and sevens, it is well-organised.

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