occlusion
/əˈkluːʒən/noun
mass noun
1
- Medicine the blockage or closing of a blood vessel or hollow organ【医】（血管或空腔器官的）梗塞, 闭塞。
2
- count noun Meteorology a process by which the cold front of a rotating low-pressure system catches up the warm front, so that the warm air between them is forced upwards off the earth's surface between wedges of cold air【气象】锢囚（过程）。
2.1
- count noun an occluded front锢囚锋。
3
- Dentistry the position of the teeth when the jaws are closed【牙科】（上下齿咬合时的）牙位。
派生词
occlusive
adjective词源
mid 17th cent.: from Latin occlus- 'shut up' （from the verb occludere） + -ION.