Definify.com
Webster 1913 Edition
Occlusion
1.
The act of occluding, or the state of being occluded.
Constriction and
occlusion
of the orifice. Howell.
2.
(Med.)
The transient approximation of the edges of a natural opening; imperforation.
Dunglison.
Occlusion of gases
(Chem. & Physics)
, the phenomenon of absorbing gases, as exhibited by platinum, palladium, iron, or charcoal;
thus, palladium absorbs, or
.occludes
, nearly a thousand times its own volume of hydrogen, and in this case a chemical compound seems to be formedWebster 1828 Edition
Occlusion
OCCLU'SION
,Noun.
[This is an elegant word, though little used.]