What does touchhole mean?
Definitions for touchhole
ˈtʌtʃˌhoʊltouch·hole
This dictionary definitions page includes all the possible meanings, example usage and translations of the word touchhole.
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Wikipedia
touchhole
A touch hole, also called a vent, is a small hole at the rear (breech) portion of the barrel of a muzzleloading gun or cannon. The hole provides external access of an ignition spark into the breech chamber of the barrel (where the combustion of the propellant occurs), either with a slow match (matchlock), a linstock or a flash pan ignited by some type of pyrite- (wheellock) or flint-based gunlock (snaplock, snaphaunce and flintlock), which will initiate the combustion of the main gunpowder charge. Without touch hole, it would be nearly impossible to ignite the powder because the only otherwise access into the barrel is from the front via the muzzle, which is obturated by the projectile. In the later caplock firearms, the ignition sparks are generated by a shock-sensitive percussion cap placed over a conical "nipple", which has a hollow conduit known as the flash channel, that leads into the barrel and serves the same function as the touch hole. In modern breechloading firearms, the propellant charge is packaged inside a cartridge, which has a modified percussion cap (primer) seated in a cavity at the back end of the cartridge case. Between the primer pocket and the case chamber are one or more apertures known as flash holes, which serves functionally as a touch hole inside the cartridge. In artillery, priming powder, a fuse, squib, or friction igniter is inserted into the touch hole to ensure ignition of the charge. The ignition might be achieved via striking or electrically.
Webster Dictionary
Touchholenoun
the vent of a cannot or other firearm, by which fire is communicateed to the powder of the charge
Numerology
Chaldean Numerology
The numerical value of touchhole in Chaldean Numerology is: 9
Pythagorean Numerology
The numerical value of touchhole in Pythagorean Numerology is: 8
Translations for touchhole
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- touchholeFrench
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"touchhole." Definitions.net. STANDS4 LLC, 2024. Web. 23 Apr. 2024. <https://www.definitions.net/definition/touchhole>.
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