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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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  • behind
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  • batwing
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  • tetrapod
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  • salmon
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  • pro-choice
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  • unimodal
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  • horneophyton
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  • new
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  • energy unit
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  • hizbollah
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    Idiom of the Day

    heart stands still
    frightened or worried
    My heart stood still when I heard the story about the little boy and the fire.



    1.
    Name'can be a performative verb.

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