The constituents of milk other than water and butterfat (chiefly casein, lactose, and minerals); the proportion of such constituents in a sample of milk.
Origin
Late 19th century; earliest use found in Galaxy Magazine.
Definition of milk solids in US English:
milk solids
(also milk solids not fat)
noun
The constituents of milk other than water and butterfat (chiefly casein, lactose, and minerals); the proportion of such constituents in a sample of milk.
Origin
Late 19th century; earliest use found in Galaxy Magazine.