sinus

1. A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).

   Sinus, (paranasal) Nasennebenhöhle

   па́зухаpázuxa

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

2. An irregular venous or lymphatic cavity, reservoir, or dilated vessel.

3. An irregular venous or lymphatic cavity, reservoir, or dilated vessel.

   (attributive)Relating to or denoting the sinoatrial node of the heart or its function of regulating the heartbeat.

4. An abnormal cavity or passage such as a fistula, leading from a deep-seated infection and discharging pus to the surface.

   свищsvišč, фи́стулаfístula

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

5. A rounded notch or depression between two lobes or teeth in the margin of a leaf or petal.

6. A bay of the sea; a recess in the shore.

7. Synonym of sine.

1. I have sinus trouble.

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2. Do you regularly have sinus issues?

   deHaben Sie häufig Probleme mit den Nasennebenhöhlen?

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3. The sinus pressure returned with a vengeance.

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4. The spa offers a sinus relief treatment.

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5. Tom took seven hot showers to clear his sinuses.

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regular