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oxygen mask

n.
1.a breathing device that is placed over the mouth and nose

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Word of the Day

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  • oxygen deficit
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  • oxycephaly
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  • oxybutyric acid
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  • oxybelis
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  • oxygenase
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  • oxygenate
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  • oxygenated
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  • oxygenation
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  • oxygenise
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  • oxygenize
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  • oxyhaemoglobin
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  • oxyhemoglobin
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  • oxylebius
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  • oxylebius pictus
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  • stabile
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  • senecio vulgaris
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  • intermingled
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    Idiom of the Day

    know which is which
    to be able to distinguish one thing or person from another
    The two dogs look the same and I do not know which is which.



    1.
    S1: In other words, grammar grows and changeg, and there is no such thing as correct use of English for the past, the present and the future.
    S6: All the words that man has invented are divided into eight classes, which are called parts of speech.

    P: "The door is broke."
    Q: Yet this would have been correct in Shakespeare's time.
    R: Today, only an uneducated person would say, "My arm is broke."
    S: For example, in Shakespeare's play Hamlet, there is the line.

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