One entry found for casein.

Main Entry: ca·sein
Pronunciation: k-sn, k-sn
Function: noun
1 : a phosphorus-containing protein that is separated from milk especially by the action of acid that is used in making paints and adhesives
2 : a phosphorus-containing protein that is produced when milk is made to form curds by rennet, that makes up a major part of cheese, and that is used in making plastics