To save this word, you'll need to log in.
Definition of kefir grain
: a small mass resembling a tiny cauliflower, occurring in kefir, containing casein and other milk solids together with the yeasts and lactobacilli that cause the characteristic kefir fermentation, and serving as a starter to induce this fermentation when introduced into fresh milk
Comments on kefir grain
What made you want to look up kefir grain? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
The Eponym Quiz
- Which is the best synonym of bowdlerize?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- The Eponym Quiz
Do you know these words that come from names?
Take the quiz - Liar, Liar Quiz
Test your knowledge of words for lies, liars, and those being lied to. In other words, everyone.
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Add Diction
Build a chain of words by adding one letter at a time.
Play the game
Share kefir grain