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| bush·ing [ bshing ] (plural bush·ings) |
noun |
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| Definition: |
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1. U.S. engineering metal sleeve: a cylindrical metal sleeve used to prevent abrasion, as a bearing, or as a guide for tool parts such as valve rods. Canadian term bush2
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2. insulation: a layer of electrical insulation that allows a live conductor to pass through a grounded wall
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3. pipe adaptor: an adaptor or screw-piece for connecting two different sizes of pipe
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| [Mid-19th century. <bush2] |