Closure or blockage (as of a blood vessel)

Usage examples of occlusion.

Occlusion was pronounced and her upper left cuspid was pointed anteriorly and slightly outward.

Conceivably, some enchantment in the chant of crystal, some oblique spell zinging off the obliques, something occult in the dark occlusions had laid hands upon his eldritch senses and dulled them, lulled them, culled them, gulled them.

Elsberg and Scheff mention occlusion of the rima glottidis by a membrane.

Smith and Jarvis record cases of congenital occlusion of the anterior nares.

When this dose hits your heart it will cause the coronary arteries to severely constrict, triggering what doctors would technically term a myocardial infarction or coronary occlusion, also known as a heart attack of the most devastating kind.

It looks from this like he's suffering a coronary occlusion of some sort.

They will bust you with Big C, or a truck driver on uppers, or pilot error, or an Irish bomb, or a coronary occlusion, or gas in the bilge.

Humbert Humbert, the victim of a cramp or coronary occlusion, or both, would be standing on her head in the inky ooze, some thirty feet below the smiling surface of Hourglass Lake.

But when he found the poor brute-beast, pale, frightened, apologetic and put to sit by a lantern on the half-deck, and when he learnt that the grape in question was only one of the nine that made up the charge of the launch's fourpounder, he at once had him seized up by the heels, ran for the stomach-pump and forced a large quantity of tepid salt water tinged with rum into his body, reflecting with pleasure, as among the agonized retching he heard the clang of the ball in the basin, that he had cured his patient not only of probably mortal occlusion but of any taste for spirituous liquors for some time to come.

But there are other crucial nodalities, points of intervention, and thaumic occlusions in that version of Roundworld's historical record, and the wizards are exercising extreme care and attention in the hope of steering history through, past, and around these causal singularities.

Conceivably, some enchantment in the chant of crystal, some oblique spell zinging off the obliques, something occult in the dark occlusions had laid hands upon his eldritch senses and dulled them, lulled them, culled them, gulled them.

Mineral occlusions were now strings and veins of beryl, shading here and there into lumps of raw emerald big as Investors' heads, crisscrossed with nets of red corundum and purple garnet.

The distortions and occlusions of the Protoculture wraiths could not stand before that raw power, and the Masters saw-at last where their target lays.

Since Afra could 'port himself with an assist from the station's generators, he availed himself of those periodic longer occlusions when great Jupiter, or several of the smaller moons, made traffic in or out of Callisto impossible.

The power of Belial is mere occlusion, hiding the real world, and if you attack the real world, as you have come to Earth to do, then you will destroy beauty and kindness and charm.