Main line and Main pipe

Main line

Main line noun - The principal route of a transportation system.

Main pipe and main line are semantically related. In some cases you can use "Main pipe" instead a noun phrase "Main line".

Main pipe

Definitions of Main line not found.

Main line and main pipe are semantically related. You can use "Main line" instead a noun "Main pipe".
Cite this Source
Main pipe and Main line. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/main_line/main_pipe
Main line & Main pipe. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/main_line/main_pipe>.
Main pipe or Main line. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/main_line/main_pipe.
Google Ngram Viewer shows how "main line" and "main pipe" have occurred on timeline