COUNTERSINK
\kˈa͡ʊntəsˌɪŋk], \kˈaʊntəsˌɪŋk], \k_ˈaʊ_n_t_ə_s_ˌɪ_ŋ_k]\
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a bit for enlarging the upper part of a hole
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a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
By Princeton University
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a bit for enlarging the upper part of a hole
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a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
By DataStellar Co., Ltd
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To chamfer or form a depression around the top of (a hole in wood, metal, etc.) for the reception of the head of a screw or bolt below the surface, either wholly or in part; as, to countersink a hole for a screw.
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An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt.
By Oddity Software
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.