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chemical element

n.
1.any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

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    Idiom of the Day

    a dirty look
    a look that shows dislike or disapproval
    The boy's mother gave the boy a dirty look when he entered the kitchen.



    1.
    The accident did ________ him; he never recovered

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