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theory of gravity

n.
1.(physics) the theory that any two particles of matter attract one another with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them

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  • Idiom of the Day

    wear down (something) or wear (something) down
    to make something become less useful or smaller or weaker because of wear or age
    Little by little, the water wore down the beach at the edge of the river.



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    The baby's sleeping ________

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