engine room vs engineering

engine room

noun
  • A compartment on a ship in which the engine machinery is located. 

  • The front row. 

  • The midfield. 

  • The pair of locks in a team. 

  • The source of power in a team or other group. 

engineering

noun
  • The area aboard a ship where the engine is located. 

  • The application of mathematics and the physical sciences to the needs of humanity and the development of technology. 

  • Designates office area of the professional engineering staff. 

  • Actions controling the motion, shape, and/or substance of any physical object(s). 

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