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ozonide

n.
1.any of a class of unstable chemical compounds resulting from the addition of ozone to a double bond in an unsaturated compound

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    Idiom of the Day

    grow on (someone)
    to become acceptable to someone or liked by someone
    At first, I did not like the strange music but now it is beginning to grow on me.



    1.
    Choose an idiom to replace the expression in the brackets:
    The man was put (in an embarrassing situation) when they asked him the question.

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