noun
- Residue from making butter from sour raw milk; or pasteurized milk curdled by adding a culture. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). buttermilk. Retrieved September 22, 2026, from http://smartdefine.org/buttermilk/definitions/1221735 |
| Chicago | WordNet. 2010. "buttermilk" http://smartdefine.org/buttermilk/definitions/1221735 (accessed September 22, 2026). |
| Harvard | WordNet 2010, buttermilk, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/buttermilk/definitions/1221735>. |
| MLA | WordNet. "buttermilk" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/buttermilk/definitions/1221735> |