Definition of substitution. 1  1a : the act, process, or result of substituting one thing for anotherb : replacement of one mathematical entity by another of equal value. 2  2 : one that is substituted for another.
Homogenized milk is any sort of milk that has been mechanically treated to ensure that it has a smooth, even consistency. The homogenization process typically involves high temperatures, agitation, and filtration, all aimed at breaking down milk's naturally occurring fat molecules.
Thanks for your question, Roger. The term âice milkâ used to refer to any light or reduced fat ice cream. Today itâs no longer used, unless youâre referring to a glass of milk which contains ice cubes or a container of milk which has been allowed to freeze.