retrofit vs slab

retrofit

noun
  • A change made to a device, structure, etc., by introducing components or parts that were not previously available or installed. 

  • An act of supplying a device, structure, etc., with new components or parts that were not previously available or installed; a retrofitting. 

verb
  • To supply (a device, structure, etc.) with new components or parts that were not previously available or installed; to modernize. 

  • Synonym of backport (“to retroactively supply a fix or feature to a previous version of a software product at the same time or after supplying it to the current version.”) 

  • To give new characteristics or make alterations (to someone or something) to suit them to changed circumstances. 

  • To supply a device, structure, etc., with new components or parts that were not previously available or installed. 

  • To add or substitute (new components or parts) that were not previously available for or installed in a device, structure, etc. 

slab

noun
  • A car that has been modified with equipment such as loudspeakers, lights, special paint, hydraulics, and other accessories. 

  • A poured-concrete foundation for a building. 

  • A large, flat piece of solid material; a solid object that is large and flat. 

  • A very large wave. 

  • The slack part of a sail. 

  • A paving stone; a flagstone. 

  • A large, luxury pre-1980 General Motors vehicle, particularly a Buick, Oldsmobile, or Cadillac. 

  • The amount by which a cache can grow or shrink, used in memory allocation. 

  • An outside piece taken from a log or timber when sawing it into boards, planks, etc. 

  • A sequence of 12 adjacent bits, serving as a byte in some computers. 

  • A carton containing 24 cans (chiefly of beer). 

  • Part of a tectonic plate that is being, or has been, subducted. 

verb
  • To make something into a slab. 

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