rest energy

/rɛst_'ɛnərdʒi/ noun
10 letters14 points in Scrabble®15 points in WWF®
DEFINITIONS1
NOUN
1

The energy equivalent to the mass of a particle at rest in an inertial frame of reference; equal to the rest mass times the square of the speed of light.

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Starts withR
Ends withY
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Starts & ends withR … Y
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