mindmap root((CLUS)) occlusion An obstruction or blockage; the act of obstructing or closing off.
🌱The doctors worry that a loosened piece of plaque from the artery wall could lead to an occlusion of a brain artery, resulting in a stroke. 🌳Occlusion, formed with the prefix ob-, here meaning "in the way," 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, and many strokes are caused by an occlusion in an artery serving the brain. 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. exclusive 1、 Not shared; available to only one person or group, especially those from a high social class.
2、 Full and complete.
🌱That technology is exclusive to one cell-phone manufacturer, but some of the others are dying to use it. 🌳In words such as expel, export, and exclusive, the prefix ex- means "out of, outside." Thus, to exclude means basically to close the door in order to keep someone or something out. When the word appears in an advertisement, it's often making an appeal to snobs. An "exclusive" offer is supposedly made to only a few people; not so many years ago, "exclusive" housing developments excluded those of a certain race or color. If a product is being sold exclusively by one store, you won't be able to find it anywhere else. When a newspaper or news show has an exclusive, it's a story that no one else has yet reported. Exclusive's antonym is inclusive; an inclusive policy, an inclusive church, or an inclusive approach is one that aims to include as many people as possible. recluse A person who lives withdrawn from society.
🌱The lonely farmhouse was home to a middle-aged recluse, a stooped, bearded man who would never answer the door when someone knocked. 🌳Greta Garbo and Howard Hughes were two of the most famously reclusive celebrities of modern times. She had been a great international star, called the most beautiful woman in the world; he had been an aircraft manufacturer and film producer, with one of the greatest fortunes in the world. It seems that Garbo's reclusiveness resulted from her desire to leave her public with only the youthful image of her face. Hughes was terrified of germs, though that was the least of his problems. seclusion 1、 A screening or hiding from view.
2、 A place that is isolated or hidden.
🌱The police immediately placed him in seclusion in a hospital room, with armed guards at the door. 🌳With its prefix se-,"apart," seclusion has the basic meaning of a place or condition that's "closed away." A lone island may be secluded, and its seclusion might be what its owner prizes most about it. Presidents and their staffs may go into seclusion before making critical decisions. Monastery life is purposely secluded, and monks may have taken vows to live lives of seclusion. The deadly brown recluse spider prefers seclusion but is sometimes disturbed by very unlucky people.


    CLUS comes from the Latin claudere,"to close." Words based on the Latin verb often have forms in which the d becomes an s.So, for example, include, which once meant "to shut up or enclose" and now means "to contain," has the related word inclusive, which means "including everything."🌸