Kefir
- A fermented milk drink similar to a thin yogurt, made from cow's milk, goat's milk, or sheep's milk, and fermented using kefir grains, which are a combination of bacteria and yeasts. nounShe drinks kefir every morning as part of her breakfast routine.Kefir is known for its probiotic properties and is often consumed for its health benefits.
- A culture of bacteria and yeasts used to ferment milk into kefir. nounThe kefir grains are added to the milk to start the fermentation process.She bought kefir grains online to make her own kefir at home.