Air passage
Air passage noun - A duct that provides ventilation (as in mines).
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Synonyms for Air passage
Tube and air passage are semantically related. In some cases you can use "Tube" instead a noun phrase "Air passage".
Tube
Tube noun - A long hollow cylinder for carrying a substance (as a liquid or gas).
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Synonyms for Tube
Air passage and tube are semantically related. Sometimes you can use "Air passage" instead a noun "Tube".
Cite this Source
Tube and Air passage. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/air_passage/tube
Air passage & Tube. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/air_passage/tube>.
Tube or Air passage. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/air_passage/tube.
Google Ngram Viewer shows how "air passage" and "tube" have occurred on timeline