Definitions
from The Century Dictionary.
- noun A jointed rod to which the tools used in earth-boring and rock-drilling are attached.
Etymologies
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Examples
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On one occasion the boring-rod, having been driven to a depth of one hundred and ten feet, dropped suddenly two feet lower, showing that it had passed through an open space hidden in the depth of the ice.
Louis Agassiz His Life and Correspondence Agassiz, Louis 1885
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On one occasion the boring-rod, having been driven to a depth of one hundred and ten feet, dropped suddenly two feet lower, showing that it had passed through an open space hidden in the depth of the ice.
Louis Agassiz: His Life and Correspondence Louis Agassiz 1840
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In this case, the water percolating through the more elevated ground -- near what may be called the rim -- collects in the lower parts of the strata towards the centre, there forcing its way to the surface, if the upper impervious beds be thin; or, if otherwise, remaining a concealed reservoir, ready to yield its supplies to the shaft or boring-rod of the well-sinker, and sometimes forming a living fountain capable of rising many feet above the surface.
Farm drainage The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles Henry Flagg French
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