- the act of occluding: the state of being occluded: such as
- the complete obstruction of the breath passage in the articulation of speech sound
- the bringing of the opposing surfaces of the teeth of the two jaws into contact; also: the relation between the surfaces when in contact
- the inclusion or sorption of gas trapped during solidification of a material
2. the front formed by a cold front overtaking a warm front and lifting the warm air above the earth’s surface.
Occlusion is a descendant of the Latin verb occludere, meaning “to close up.” Occludere in turn comes from the prefix ob-, here meaning “in the way,” and the verb claudere, meaning “to close or shut.”