coordinate map vs mapping

coordinate map

noun
  • Synonym of coordinate chart. 

mapping

noun
  • The process of making maps. 

  • The process of locating genes on a chromosome. 

  • A function that maps every element of a given mathematical structure (eg: a set) to a unique element of another structure; a correspondence. 

  • conversion of data types between incompatible type systems. 

  • Assigning a PC to a shared drive or printer port on a network. 

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