Bore
Bore noun - Diameter of a tube or gun barrel.
Diameter is a synonym for bore in calibre topic. In some cases you can use "Diameter" instead a noun "Bore", when it comes to topics like measurement. popular alternative
Diameter
Diameter noun - The length of a straight line passing through the center of a circle and connecting two points on the circumference.
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Synonyms for Diameter
Bore is a synonym for diameter in calibre topic. You can use "Bore" instead a noun "Diameter", if it concerns topics such as measurement, breadth, measurement across object. popular alternative
Both words in one sentence
- A note about the term "caliber": when talking about small arms (pistols, rifles, machine guns, etc) caliber simply refers to the diameter of gun's bore (and thus the width of the bullet).
Source: Useful Notes / Naval Weapons -
The general rule of thumb is that a Labor weapon has a bore diameter of a bit less than 1mm for every hundredth of an inch for the real world weapon; the Labor version of a .38 caliber revolver is a 37mm cannon, and the .44 caliber revolver scales up to 42mm - with exceptions.
Source: Anime / Patlabor - Plasma weapons drop in effectiveness with range (at close range a 5-cm cannon can do moderate damage to a corvette, at longer ranges it won't do more than a week or so of solar wind erosion) and scale up in effectiveness with bore diameter.
Source: Arbitrary Maximum Range
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Diameter and Bore. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/bore/diameter
Bore & Diameter. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/bore/diameter>.
Diameter or Bore. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/bore/diameter.
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