convolution vs slalom

convolution

noun
  • One 360° turn in a spring or similar helix. 

  • A mathematical operation on two functions that produces a third that expresses how the shape of one is modified by the other; the integral of the product of the two functions after one is reflected about the y-axis and shifted along the x-axis. 

  • The shape of something rotating; a vortex. 

  • Any of the folds on the surface of the brain. 

  • A twist or fold. 

  • The state or condition of being convoluted. 

  • A function which maps a tuple of sequences into a sequence of tuples. 

slalom

noun
  • A course used for the sport of slalom. 

  • A race or competition wherein participants each perform the sport of slalom. 

  • The sport of skiing in a zigzag course through gates. (Often used attributively) 

  • Any similar activity on other vehicles, including canoes and water skis. 

verb
  • To move in a slalom-like manner. 

  • To race in a slalom. 

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