fraction bar vs transverse

fraction bar

noun
  • The line separating the numerator from the denominator, whether horizontal, (sometimes proscribed) oblique, or diagonal. 

transverse

noun
  • The longer, or transverse, axis of an ellipse. 

  • Anything that is transverse or athwart. 

verb
  • To alter or transform. 

  • To lie or run across; to cross. 

  • To overturn. 

  • To traverse or thwart. 

adj
  • (of an intersection) Not tangent, so that a nondegenerate angle is formed between the two things intersecting. 

  • Made at right angles to the long axis of the body. 

  • Situated or lying across; side to side, relative to some defined "forward" direction; perpendicular or slanted relative to the "forward" direction; identified with movement across areas. 

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