pipeline vs plumbing

pipeline

noun
  • A conduit made of pipes used to convey water, gas or petroleum etc. 

  • A channel (either physical or logical) by which information is transmitted sequentially (that is, the first information in is the first information out). 

  • A system or process through which something is conducted. 

  • The inside of a wave that a surfer is riding, when the wave has started closing over it. 

verb
  • To design (a microchip etc.) so that processing takes place in efficient stages, the output of each stage being fed as input to the next. 

  • To connect a tube from ones mouth to ones anus (or the anus of another), in order to force someone to eat feces. 

  • To convey something by a system of pipes 

  • To lay a system of pipes through something 

plumbing

noun
  • The pipes, together with the joints, tanks, stopcocks, taps, and other fixtures of a water, gas, or sewage system in a house or other building. 

  • A system of vessels or ducts in the human body, especially the genitourinary system. 

  • The trade or occupation of a plumber. 

  • Practical, concrete work serving to support other work. 

  • A Murasugi sum where each disk summed along has its boundary subdivided into four segments. 

How often have the words pipeline and plumbing occurred in a corpus of books? (source: Google Ngram Viewer )