casein

play
noun ca·sein \ˈkā-ˌsēn, kā-ˈ\

Definition of casein

  1. :  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

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: 1823


CASEIN Defined for Kids

casein

play
noun ca·sein \kā-ˈsēn\

Definition of casein for Students

  1. :  a whitish to yellowish protein that is found in milk and cheese and is used in making paints, plastics, and adhesives


Medical Dictionary

casein

play
noun ca·sein \ˈkā-ˌsēn, ka-ˈsēn\

Medical Definition of casein

  1. :  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


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