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level: see spirit level spirit level, tool for determining whether a surface is horizontal. It consists essentially of a slightly bent transparent tube that is held in a frame. The tube contains some alcohol, ether, or similar fluid but is not entirely filled, so that it also contains a ..... Click the link for more information. . levelDevice for establishing a horizontal plane. It consists of a small, sealed glass tube containing liquid and an air bubble; the tube is fixed horizontally in a block or frame with a smooth lower surface. When the bubble is in the middle of the glass tube, the device is on a level surface; adjustment to the horizontal is indicated by movement of the bubble. The glass tube is slightly bowed, and the level's sensitivity is proportional to the radius of curvature. level 1. Engineering a device, such as a spirit level, for determining whether a surface is horizontal 2. Geography any of the successive layers of material that have been deposited with the passage of time to build up and raise the height of the land surface 3. Physics the ratio of the magnitude of a physical quantity to an arbitrary magnitude |
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The average price of a gallon of self-serve regular gasoline in the Los Angeles area leveled off, falling 2. The sharp increase in youngsters taking prescribed stimulants that was noted a decade ago largely leveled off between 1997 and 2002, according to an analysis of data from an annual national survey. According to the survey, capacity leveled off in 2005, while coverage restrictions continued to ease. |
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