sinus

Tanımlar (İngilizce)

1. isim 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).
2. isim An irregular venous or lymphatic cavity, reservoir, or dilated vessel.
3. isim Relating to or denoting the sinoatrial node of the heart or its function of regulating the heartbeat.
4. isim An abnormal cavity or passage such as a fistula, leading from a deep-seated infection and discharging pus to the surface.
5. isim A rounded notch or depression between two lobes or teeth in the margin of a leaf or petal.
6. isim A bay of the sea; a recess in the shore.
7. isim Synonym of sine.

   “So, in the helicopteron, as the helix is at the same time a sustaining plane, it should be likened to a surface moving horizontally, and in which, consequenty, the resistance to motion will be to the lifting power as the sinus is to the cosinus of the angle formed by such plane with the horizon.”