Defn: Shut; closed. [Obs.] Holder.
OCCLUSION
Oc*clu"sion, n. Etym: [See Occlude.]
1. The act of occluding, or the state of being occluded. Constriction and occlusion of the orifice. Howell.
2. (Med.)
Defn: 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 formed.
OCCRUSTATE
Oc*crus"tate, v. t. Etym: [See Ob-, and Crustated.]
Defn: To incrust; to harden. [Obs.] Dr. H. More.
OCCULT Oc*cult", a. Etym: [L. occultus, p.p. of occulere to cover up, hide; ob (see Ob-) + a root prob.akin to E. hell: cf. F. occulte.]
Defn: Hidden from the eye or the understanding; inviable; secret; concealed; unknown. It is of an occult kind, and is so insensible in its advances as to escape observation. I. Taylor. Occult line (Geom.), a line drawn as a part of the construction of a figure or problem, but not to appear in the finished plan. — Occult qualities, those qualities whose effects only were observed, but the nature and relations of whose productive agencies were undetermined; — so called by the schoolmen. — Occult sciences, those sciences of the Middle Ages which related to the supposed action or influence of occult qualities, or supernatural powers, as alchemy, magic, necromancy, and astrology.
OCCULT
Oc*cult", v. t.