A line of pipe with pumping machinery and apparatus for conveying liquids, especially petroleum, between distant points.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pipe line. Retrieved September 20, 2026, from http://smartdefine.org/pipe_line/definitions/2045775 |
| Chicago | Webster's. 2011. "pipe line" http://smartdefine.org/pipe_line/definitions/2045775 (accessed September 20, 2026). |
| Harvard | Webster's 2011, pipe line, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/pipe_line/definitions/2045775>. |
| MLA | Webster's. "pipe line" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/pipe_line/definitions/2045775> |