concentrate vs distillate

concentrate

noun
  • A substance that is in a condensed form. 

verb
  • To focus one's thought or attention (on). 

  • To approach or meet in a common center; to consolidate. 

  • To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense. 

  • To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force. 

distillate

noun
  • The liquid that has been condensed from vapour during distillation; normally a purified form or a fraction of an original liquid. 

  • The essence of something. 

  • Diesel fuel. 

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