R vs gas constant

R

name
  • In the context of the documentary hypothesis, the Redactor(s) who compiled and edited the Torah. 

noun
  • rex (“king”) or regina (“queen”); the initial by which a British monarch signs documents after his or her name 

  • the Crown, the government of a monarchy (abbreviating rex (“king”) or regina (“queen”)) 

  • rook 

  • Thursday 

  • Republican 

  • ring 

  • runs, the statistic reporting the number of runs scored by a player 

  • radius 

adj
  • right (as opposed to left) 

  • reverse 

  • restricted 

character
  • The eighteenth letter of the English alphabet, called ar and written in the Latin script. 

gas constant

noun
  • a universal constant, R, that appears in the ideal gas law, PV=nRT, derived from two fundamental constants, the Boltzmann constant and Avogadro's number, R=N_Ak. 

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