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cal

cal

13 9.9
The internal width of a gun barrel shown by numbers like .30
  • noun
  • /kæl/
  • Specialized
: calibre
  • The Apache carried 6 .50 cal guns, underwing racks, and dive brakes.

Examples

Synonyms

caliber
vscal
  • Specialized
121 6.7

The inside width of a gun barrel or bullet

is the shortened written form used instead of the full word

How Wide

bore
  • Specialized
20 6.0
cal
  • Specialized
13 9.9
.38-caliber
  • Specialized
1 7.9

Surface Forms

cal singular
cals plural

Etymology

Cal is short for caliber, a word that once meant the 'mould' used to make bullets and barrels, so today cal names the size across a gun barrel or a bullet.