dense vs diffuse

dense

adj
  • Obscure, or difficult to understand. 

  • Opaque; allowing little light to pass through. 

  • Thick; difficult to penetrate. 

  • Slow to comprehend; of low intelligence. 

  • Having relatively high density. 

  • Compact; crowded together. 

  • Being a subset of a topological space that approximates the space well. See the Wikipedia article on dense sets for a mathematical definition. 

noun
  • A thicket. 

diffuse

adj
  • Wordy; verbose. 

  • Everywhere or throughout everything; not focused or concentrated. 

verb
  • To be spread over or through as in air, water, or other matter, especially by fluid motion or passive means. 

  • To spread over or through as in air, water, or other matter, especially by fluid motion or passive means. 

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