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einstein's special theory of relativity

n.
1.a physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of physics are invariant in all inertial systems

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einstein's general theory of relativity

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weatherliness

norwegian monetary unit

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see double

to see two of everything instead of one

I began to see double after I hit my head on the edge of the fence.

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