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Definition of SINUS
Pronunciation : SINUS

noun : SINUS

Source:WordNet 3.1

  • 1. (

    ) an abnormal passage leading from a suppurating cavity to the body surface ;

  • 2. (

    ) any of various air-filled cavities especially in the bones of the skull ;

  • 3. (

    ) a wide channel containing blood; does not have the coating of an ordinary blood vessel ;


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