caliber
UK /ˈkæl.ɪ.bə(ɹ)/ · US /ˈkæl.ə.bɚ/ noun
Forms calibers calibre
- noun Diameter of the bore of a firearm, typically measured between opposite lands.
- noun The diameter of round or cylindrical body, as of a bullet, a projectile, or a column.
- noun A nominal name for a cartridge type, which may not exactly indicate its true size and may include other measurements such as cartridge length or black powder capacity. Eg 7.62×39 or 38.40.
- noun Unit of measure used to express the length of the bore of a weapon. The number of calibres is determined by dividing the length of the bore of the weapon, from the breech face of the tube to the muzzle, by the diameter of its bore. A gun tube the bore of which is 40 feet (480 inches) long and 12 inches in diameter is said to be 40 calibers long.
- noun (figuratively) Relative size, importance, magnitude.
- noun (figuratively) Capacity or compass of mind.
- noun (dated) Degree of importance or station in society.
- noun (horology) Movement of a timepiece.
Synonyms
Etymology
From French calibre (“bore of a gun, size, capacity (literally, and figuratively), also weight”), from Italian calibro.
Webster’s 1913
- noun The diameter of the bore, as a cannon or other firearm, or of any tube; or the weight or size of the projectile which a firearm will carry; as, an 8 inch gun, a 12-pounder, a 44 caliber.
- noun The diameter of round or cylindrical body, as of a bullet or column.
Etymology [F. calibre, perh. fr. L. qualibra of what pound, of what weight; hence, of what size, applied first to a ball or bullet; cf. also Ar. qalib model, mold. Cf. Calipers, Calivere.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “caliber”, CC BY-SA 4.0. Details