Medical Definition of caliber
: the diameter of a round or cylindrical body; especially : the internal diameter of a hollow cylinder
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Dictionary: Definition of "caliber" Thesaurus: All synonyms and antonyms for "caliber" Spanish Central: Translation of "caliber" Nglish: Translation of "caliber" for Spanish speakers Britannica English: Translation of "caliber" for Arabic speakers Britannica.com: Encyclopedia article about "caliber"
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