Synonyms|3Antonyms|0|Broader|1Narrower|0Related|368
2
historical scientific instrument
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APASmart Define. (2013). post office box thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/post_office_box/thesaurus/broader
ChicagoSmart Define. 2013. "post office box thesaurus" https://smartdefine.org/post_office_box/thesaurus/broader (accessed September 22, 2026).
HarvardSmart Define 2013, post office box thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/post_office_box/thesaurus/broader>.
MLASmart Define. "post office box thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/post_office_box/thesaurus/broader>