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THREAD. A figurative expression used to signify the central line of a stream or water course. Harg. Tracts, 5; 4 Mason's Rep. 397; Holt's R. 490. Vide Filum aguae; Island; Water course; River.

References in periodicals archive ?
Thus, the loss of thread friction due to clamping force relaxation was partially offset by interlocking of the WFRP matrix and the screw threads.
In femoral neck fractures, calcium phosphate cement (Norion SRS, Norian Corporation, Cupertino, CA) around cannulated screw threads was also shown to improve stiffness and fixation strength.
In the early 1800's, Maudslay also began to study the production of uniform and accurate screw threads.
This adjustable extruder system features screw threads in the rotor and barrel that are said to plastify and mix robber for a wide range of compounds.
Turnkey vision systems are available for inspecting surface defects, sealing surfaces, interior container bottoms, screw threads, blister packs, and glue patterns, as well as code reading and optical gauging.
The organization sets but does not enforce international norms for everything from paper sizes to screw threads.
The benefits of the ZEISS AIMax are particularly evident for complex geometric features such as boreholes, screw threads, or gap and alignment," says Michael Scheffler, Product Manager in the ZEISS Industrial Metrology business group.