Synonyms|1Antonyms|0|Broader|4Narrower|0Related|0
3
geographical area
2
geographic area
1
geographical region
0
geographic region
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APASmart Define. (2011). ruhr valley thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ruhr_valley/thesaurus/broader
ChicagoSmart Define. 2011. "ruhr valley thesaurus" https://smartdefine.org/ruhr_valley/thesaurus/broader (accessed September 26, 2026).
HarvardSmart Define 2011, ruhr valley thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ruhr_valley/thesaurus/broader>.
MLASmart Define. "ruhr valley thesaurus" 26 April 2011. Web. 26 September 2026. <https://smartdefine.org/ruhr_valley/thesaurus/broader>