1 thirty-thirty | Definition of thirty-thirty
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thirty-thirty

noun
thir·​ty-thir·​ty | \ ËŒthÉ™r-tÄ“-ˈthÉ™r-tÄ“ How to pronounce thirty-thirty (audio) \

Definition of thirty-thirty

: a rifle that fires a .30 caliber cartridge having a 30 grain powder charge —usually written .30–30

First Known Use of thirty-thirty

1929, in the meaning defined above

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Rhyming Dictionary: Words that rhyme with thirty-thirty

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