acetum vs vinegar

acetum

vinegar

verb
  • To season or otherwise treat with vinegar. 

noun
  • A sour liquid formed by the fermentation of alcohol used as a condiment or preservative; a dilute solution of acetic acid. 

  • Any variety of vinegar. 

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