Air passage
Air passage noun - A duct that provides ventilation (as in mines).
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Synonyms for Air passage
Air line and air passage are semantically related. In some cases you can use "Air line" instead a noun phrase "Air passage".
Air line
Air passage and air line are semantically related. You can use "Air passage" instead a noun phrase "Air line".
Cite this Source
Air line and Air passage. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/air_passage/air_line
Air passage & Air line. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/air_passage/air_line>.
Air line or Air passage. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/air_passage/air_line.
Google Ngram Viewer shows how "air passage" and "air line" have occurred on timeline