lactic

/ˈlæktɪk/
adjective
  1. Relating to or obtained from milk.
    • The lactic flavor in sour cream comes from fermentation.
    • Some people are sensitive to lactic products and choose dairy-free alternatives.
    • Lactic bacteria are used to make yogurt and cheese.
What does "lactic" mean? | whatsthatwordmean | whatsthatwordmean