cotton wool vs scrim

cotton wool

noun
  • Soft, absorbent cotton for medical or cosmetic use, protective padding, etc. 

  • Raw fibers of cotton before being processed. 

scrim

noun
  • A kind of light cotton or linen fabric, often woven in openwork patterns, used for curtains, etc,. 

  • A theater drop that appears opaque when a scene in front is lighted and transparent or translucent when a scene in back is lighted. 

  • A sheet of gauze etc. used to reduce the intensity of light. 

  • A woven, nonwoven or knitted fabric composed of continuous strands of material used for reinforcing or strengthening membranes. 

  • A large military scarf, usually camouflage coloured and used for concealment when not used as a scarf. 

  • Thin canvas glued on the inside of panels to prevent shrinking, checking, etc. 

  • A practice match between one or more organized teams usually in preparation for a more competitive format, such as a tournament. 

verb
  • To participate in a scrim. 

  • To use a scrim. 

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