LACTOABUMIN
Lac`to*a*bu"min, n. Etym: [L. lac, lactis, milk + E. albumin.]
(Physiol. Chem.)
Defn: The albumin present on milk, apparently identical with ordinary serum albumin. It is distinct from the casein of milk.
LACTOBUTYROMETER Lac`to*bu`ty*rom"e*ter, n. Etym: [L. lac, lactis, milk + E. butyrometer.]
Defn: An instrument for determining the amount of butter fat contained in a given sample of milk.
LACTODENSIMETER Lac`to*den*sim"e*ter, n. Etym: [L. lac, lactis, milk + E. densimeter.]
Defn: 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.
LACTOMETER Lac*tom"e*ter, n. Etym: [L. lac, lactis, milk + meter: cf. F. lactomètre. Cf. Galactometer.]
Defn: An instrument for estimating the purity or richness of milk, as a measuring glass, a specific gravity bulb, or other apparatus.
LACTONE
Lac"tone, n. (Chem.)
Defn: One of a series of organic compounds, regarded as anhydrides of certain hydroxy acids. In general, they are colorless liquids, having a weak aromatic odor. They are so called because the typical lactone is derived from lactic acid.