SCREW
\skɹˈuː], \skɹˈuː], \s_k_ɹ_ˈuː]\
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A cylinder of metal or wood threaded in a forward-moving spiral on its external surface; also a hollow so threaded that such a cylinder fits and advances in it; anything containing or resembling such a device; as, a wood screw; a turn of, or as of, such a device; a means of propelling steamships, etc.
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To turn with a motion like a screw.
By William Dodge Lewis, Edgar Arthur Singer
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A cylinder with a spiral groove or ridge on either its outer or inner surface, used as a fastening and as a mechanical power: a screw-propeller.
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To apply a screw to: to press with a screw: to twist: to oppress by extortion: to force: to squeeze.
By Daniel Lyons
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.-.