BOB半岛

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        in·er·tia

        inertia

         
        pronunciation:
        ih nuhr sh
        features:
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        part of speech: noun
        definition 1: the tendency of an object that is not moving to remain still, or of an object that is moving to continue to move, unless something else moves or stops the object.
        Inertia kept the truck from stopping in time for the intersection.
        definition 2: lack of willingness to move; motionlessness.
        People are angry about the inertia of Congress on this important issue.
        synonyms:
        motionlessness
        antonyms:
        energy
        similar words:
        idleness
        derivation: inertial (adj.)
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          physics