limit vs prime mover

limit

noun
  • A person who is exasperating, intolerable, astounding, etc. 

  • A restriction; a bound beyond which one may not go. 

  • The cone of a diagram through which any other cone of that same diagram can factor uniquely. 

  • A determining feature; a distinguishing characteristic. 

  • Fixed limit. 

  • The final, utmost, or furthest point; the border or edge. 

  • The first group of riders to depart in a handicap race. 

  • A value to which a sequence converges. Equivalently, the common value of the upper limit and the lower limit of a sequence: if the upper and lower limits are different, then the sequence has no limit (i.e., does not converge). 

  • Any of several abstractions of this concept of limit. 

verb
  • To restrict; not to allow to go beyond a certain bound, to set boundaries. 

  • To have a limit in a particular set. 

adj
  • Being a fixed limit game. 

prime mover

noun
  • A person or thing that is seminal and influential. 

  • The front part of a semi-trailer type truck, i.e., the tractor to which the trailer part attaches. 

  • A military or heavy construction vehicle. 

  • The initial agent that is the cause of all things. 

  • A machine, such as a water wheel or steam engine, that receives and modifies energy as supplied by some natural source or fuel and transforms it into mechanical work 

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