D defs.my
Entry 1 sense Webster, 1913

Ammoniacal fermentation

· Am·mo·ni·a·cal fer·men·ta·tion · IPA
01 Any fermentation process by which ammonia is formed, as that by which urea is converted into ammonium carbonate when urine is exposed to the air.
  1. 1.
    Any fermentation process by which ammonia is formed, as that by which urea is converted into ammonium carbonate when urine is exposed to the air.