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| coun·ter·sink [ kówntər sìngk ] |
transitive verb (past coun·ter·sank [ kówntər sàngk ] or coun·ter·sunk [ kowntər sùngk ], past participle coun·ter·sunk [ kowntər sùngk ], present participle coun·ter·sink·ing, 3rd person present singular coun·ter·sinks) |
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| Definition: |
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1. make hole to include screw head: to widen the top of the hole for a screw or bolt so that the head will fit into the hole and be level with or below the surface
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2. make screw heads level with surface: to place screws, bolts, or nails in wood or another material so that their heads are level with or below the surface of the material
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noun (plural coun·ter·sinks) |
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| Definition: |
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1. hole that accepts screw head: a hole for a screw or bolt that is wider at the top so that the head will fit into the hole and be level with or below the surface
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2. countersinking tool: a special drill bit or other tool for countersinking holes for screws or bolts
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