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2 entries under idiom topic. ×

3
Carboniferous period(noun, expression)
1
geological period(expression, adjective)
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APASmart Define. (2013). carboniferous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/carboniferous/thesaurus/synonyms
ChicagoSmart Define. 2013. "carboniferous thesaurus" https://smartdefine.org/carboniferous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, carboniferous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/carboniferous/thesaurus/synonyms>.
MLASmart Define. "carboniferous thesaurus" 17 June 2013. Web. 29 September 2026. <https://smartdefine.org/carboniferous/thesaurus/synonyms>