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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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  • restate
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  • progestogen
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  • incapable
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  • earnestness
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  • commercialized
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  • unsuitability
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  • utilitarianism
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  • chamaedaphne calyculata
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  • in concert
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  • unburdened
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  • sos
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    Idiom of the Day

    in one's element
    in an environment or situation that comes naturally to someone
    The woman is in her element being in charge of the new sales department.



    1.
    He had managed to ...... several times, but was finally ...... by the police.

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