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
There’s a gene called beta casein that’s one of the milk proteins.
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Origin and Etymology of casein
probably from French caséine, from Latin caseus cheese
First Known Use: 1823
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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