Definition of casein
: a phosphoprotein of milk: such asa : one that is precipitated from milk by heating with an acid or by the action of lactic acid in souring and is used in making paints and adhesivesb : one that is produced when milk is curdled by rennet, is the chief constituent of cheese, and is used in making plastics
Recent Examples of casein from the Web
ETB’s proteins, caseins and other supplements can also be found around Charlotte at Crossfit gyms and other athletic facilities, as well as supplement stores like Nutrishop.
There’s a gene called beta casein that’s one of the milk proteins.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'casein'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of casein
probably from French caséine, from Latin caseus cheese
First Known Use: 1823See Words from the same year
CASEIN Defined for Kids
Definition of casein for Students
: a whitish to yellowish protein that is found in milk and cheese and is used in making paints, plastics, and adhesives
Medical Definition of casein
: any of several phosphoproteins of milk: asa: one that occurs as a colloidal suspension in milk—called also caseinogenb: one that is produced when milk is curdled by rennet, is the chief constituent of cheese, and is used in making plastics—called also paracasein
Learn More about casein
Britannica.com: Encyclopedia article about casein
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