pipe line
noun(pipe-line)
a line of pipe with pumps, valves, and control devices for conveying liquids, gases, or finely divided solids
pipe line
noun(pipe-line)
pipe
pipe line
noun(pipe-line)
a direct channel for information
pipe line
geographical name(pipe-line)
pipeline that came into use in 1977 to carry oil 853 miles (1372 kilometers) across Alaska from fields in the area of Prudhoe Bay in the north to the port of Valdez in the south
pipe line
noun(pipe-line)
the system for developing and producing something