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