Occlusion

Occlusion (from Latin occludere ) stands for:

Occlusion (medicine), closure of an organ
Occlusion (pharmaceuticals ), covering, for example, by a skin ointment / paste / cream or patch
Occlusion (dentistry), spatial relation of the teeth to each other when co- bite
Occlusion (chemistry), inclusion of foreign components or impurities
Occlusion (Meteorology), merger of the cold and warm front of a depression