lactodensimeter

n. [ L. lac, lactis, milk + E. densimeter. ] A form of hydrometer, specially graduated, for finding the density of milk, and thus discovering whether it has been mixed with water or some of the cream has been removed. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_; + E. densimeter. ] Same as Galactometer. [ 1913 Webster ]