A thick semisolid
A clot (of blood)
An occluded front.
Anything that obstructs or closes a vessel or canal.
The absorption of a gas or liquid by a substance such as a metal.
A closure within the vocal tract that produces an oral stop or nasal stop.
The blocking of the view of part of an image by another.
The alignment of the teeth when upper and lower jaws are brought together.
The process of occluding, or something that occludes.