dihydrogen monoxide vs macerate

dihydrogen monoxide

noun

  • H₂O, water. 

macerate

noun

  • A macerated substance. 

verb

  • To soften (something) or separate it into pieces by soaking it in a heated or unheated liquid. 

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