.45 CALIBER

I. (adjective)

Meaning:

Of or relating to the bore of a gun (or its ammunition) that measures forty-five hundredths of an inch in diameter

Synonyms:

.45-caliber; .45-calibre; .45 caliber; .45 calibre

Classified under:

Relational adjectives (pertainyms)

Pertainym:

caliber (diameter of a tube or gun barrel)