bore

Bore may refer to: "Bore" may also be used as a synonym for:
  • The action of boring out a hole
  • A borehole, as in an oil well or water well
  • The tool creating this hole, i.e. a drill bit, especially in precision work
  • The inner diameter of a pipe or tube
  • The caliber of a gun; as a measurement it is generally used to refer to smoothbore guns such as shotguns and muskets and is generally used as equivalent to gauge which is the number of balls per pound of lead, later expressed in inches or millimeters; this use is generally archaic, though still used in British English and the sport of paintball where smoothbore barrels are standard. The exception is the .410 bore, which is .410 inches.
  • A person who is boring

Homophones

The bore of a wind instrument is its interior chamber that defines a flow path through which air travels and is set into vibration to produce sounds. The term is used both for instruments made of wood and instruments made of metal, though only in the case of wood instruments is the
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Bore, when used in the context of piston engines, is a measurement of the diameter of the holes bored into the engine block for use as cylinders. The ratio of stroke to bore is a major factor in defining the characteristics of an engine.
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A cylinder is the central working part of a reciprocating engine, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block
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A reciprocating engine, also often known as a piston engine, is a heat engine that uses one or more pistons to convert pressure into a rotating motion. This article describes the common features of all types.
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A tidal bore (or just bore, or eagre) is a tidal phenomenon in which the leading edge of the incoming tide forms a wave (or waves) of water that travel up a river or narrow bay against the direction of the current.
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Bore is a comune with 902 inhabitants in the Province of Parma, Italy.


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Bore is one of the 180 woredas in the Oromia Region of Ethiopia. Located in the northern part of the Borena Zone, Bore is bordered on the south by Odo Shakiso, on the west by Uraga, on the north by the Southern Nations, Nationalities, and Peoples Region, and on the east by Adolana
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The Dark One is a fictional entity and primary antagonist of The Wheel of Time series by Robert Jordan.

Character

In The Wheel of Time books Verin Sedai says the Dark One is the "embodiment of paradox and chaos, destroyer of reason and logic, breaker of
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wheel of time or wheel of history is a concept in several religions and philosophies, notably religions of Indian origin such as Buddhism and Hinduism, which regard time as cyclical and consisting of repeating ages.
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boring is the process of enlarging a hole that has already been drilled (or cast), by means of a single-point cutting tool (or of a boring head containing several such tools), for example as in boring a cannon barrel.
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A borehole is the generalised term for any narrow shaft drilled in the ground, either vertically or horizontally. A borehole may be constructed for many different purposes including the extraction of water or fluid (such as oil) or gases (such as natural gas or methane), as part of
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Long series drills are extended length twist drills. They are not the best tool for drilling deep holes, as they require frequent withdrawal to clear the flutes of swarf and prevent drill breakages. Gun drills are the preferred drills for deep hole drilling.
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For structural pipe, see hollow structural section.
Pipe is a tube or hollow cylinder for the conveyance of fluid. The terms 'pipe' and 'tubing' are almost interchangeable.
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Tubing is a pipe or hollow cylinder for the conveyance of fluids (liquids or gases). The terms 'pipe' and 'tubing' are almost interchangeable, although minor distinctions exist (generally, "tubing" implies tighter engineering requirements than "pipe").
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caliber or calibre designates the interior diameter of a tube or the exterior diameter of a wire or rod. It comes from the Italian calibro, itself from qālib (قالب), Arabic word for mold.
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Smoothbore refers to a firearm or cannon which does not have a rifled barrel.

History of firearms and rifling

Early firearms had smooth barrels, and fired projectiles with no significant spin.
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shotgun (also known as a fowling piece[1] or scattergun[2]) is a firearm typically used to fire a number of small spherical pellets called shot.

Characteristics

Shotguns come in a wide variety of forms, from rimfire models with .
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musket is a muzzle-loaded, smoothbore long gun, which is intended to be fired from the shoulder. The date of origin of muskets remains unknown, but they are mentioned as early as the late 14th century in Chinese military books such as Huo Long Jing.
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Gauge or bore of a shotgun is a unit of measurement used to express the diameter of the barrel. The gauge or bore of the inside diameter of a barrel corresponds with the number of identical solid spheres that can be made from a pound of lead.
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Paintball is a sport in which participants eliminate opponents from play by hitting them with paintballs (spherical gelatin capsules containing primarily polyethylene glycol, other non-toxic and water-soluble substances, and dye) shot from a compressed-gas-powered "marker".
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.410 bore, commonly misnamed the .410 gauge, is the smallest caliber of shotgun shell commonly available. It has similar base dimensions to the .45 Colt revolver cartridge (though the .
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Boredom has been defined by Fisher in terms of its central psychological processes: “an unpleasant, transient affective state in which the individual feels a pervasive lack of interest in and difficulty concentrating on the current activity.
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S. scrofa

Binomial name
Sus scrofa
Linnaeus, 1758

The wild boar (Sus scrofa) is the wild ancestor of the domestic pig.
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