Yahoo奇摩字典 網頁搜尋

  1. sinus

    • IPA[ˈsīnəs]

    美式

    • n.
      a cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.;an irregular venous or lymphatic cavity, reservoir, or dilated vessel.
    • noun: sinus, plural noun: sinuses

    • 釋義
    • 相關詞

    名詞

    • 1. a cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.
    • an irregular venous or lymphatic cavity, reservoir, or dilated vessel.
    • an infected tract leading from a deep-seated infection and discharging pus to the surface.
    • a rounded notch between two lobes on the margin of a leaf or petal.
    • 2. relating to or denoting the sinoatrial node of the heart or its function as a pacemaker sinus rhythm sinus tachycardia
    • n.
      the first chamber of the heart in fish, amphibians, and reptiles, emptying into the right atrium.

    Oxford Dictionary

    • n.
      the first chamber of the heart in fish, amphibians, and reptiles, emptying into the right atrium.

    Oxford American Dictionary

    • n.
      a wide venous channel about 2.25 centimeters in length that receives blood from the coronary ...

    Oxford American Dictionary

    • 更多解釋
    • IPA[ˈsʌɪnəs]

    英式

    • n.
      a cavity within a bone or other tissue, especially one in the bones of the face or skull ...

    Oxford Dictionary