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| Vacuum
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An area containing nothing. A void. A lack of atmosphere. |
| Vacuum breaker
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An anti-siphon device that prevents the backflow of contaminated water into the water supply system. |
| Vacuum cleaner
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| Vacuum evaporation
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The deposition of thin films of semiconductor material by the evaporation of elemental sources in a vacuum. |
| Vacuum gauge
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A piece of equipment used to measure the vacuum present in a container. |
| Vacuum pump
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A pump used to evacuate air form a container to create a vacuum. |
| Valance
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A horizontal panel attached to the top of a window to cover the top of curtains or draperies. |
| Valance lighting
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A series of fixtures positioned behind a valance providing an indirect light source. |
| Valence band
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The highest energy band in a semiconductor that can be filled with electrons. |
| Valid
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Factual information. Representations made by a realtor to a prospective purchaser fall into this category. |
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