Example of ambient occlusion illustrating a tr...
Example of ambient occlusion illustrating a tree receiving light and another which has been occluded at sunrise. (It’s supposed to be dark) 2 – 2 {| cellspacing=”0″ style=”min-width:40em; color:#000; background:#ddd; border:1px solid #bbb; margin:.1em;” class=”layouttemplate” | style=”width:1.2em;height:1.2em;padding:.2em” | 20px |link=|center | style=”font-size:.85em; padding:.2em; vertical-align:middle” |This file was created with Blender. |} Ambientocclusion.png (Photo credit: Wikipedia)


English: Screen space ambient occlusion.
English: Screen space ambient occlusion. (Photo credit: Wikipedia)



: occlusion \uh-KLOO-zhun\ noun

1 : a shutting off or obstruction of something 2 : the coming together of the surfaces of the upper and lower teeth 3 : the front formed by a cold front overtaking a warm front and lifting the warm air above the earth’s surface


Heart attacks result from the occlusion of blood supply to a part of the heart.

“Three days before Thanksgiving 2011, Marilyn Mathern experienced a small blood clot, or retinal occlusion, in her eye.” — From an article by Briana Wipf in the Great Falls Tribune (Montana), February 26, 2013

Did you know?

“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.” “Occlusion” is one of many English terms derived from “claudere.” Some others are “recluse,” “seclusion,” and “exclude.” An occlusion occurs when something has been closed up or blocked off. Almost all heart attacks are the result of the occlusion of a coronary (heart) artery by a blood clot. When a person’s upper and lower teeth form a “malocclusion,” they close incorrectly or badly. An occlusion, or occluded front, happens when a fast-moving cold front overtakes a slow-moving warm front and slides underneath it, lifting the warm air and blocking its movement.




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