rubber cement vs sludge

rubber cement

noun
  • An adhesive made from elastic polymers (typically latex) mixed in a solvent to keep them fluid enough to be used. 

sludge

noun
  • Solids separated from suspension in a liquid. 

  • A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes. 

  • A mass of small pieces of ice on the surface of a body of water. 

  • sludge metal 

  • A sediment of accumulated minerals in a steam boiler. 

verb
  • To slop or drip slowly. 

  • To slump or slouch. 

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