LACTOSE
Lac"tose`, n.
1. (Physiol. Chem.)
Defn: Sugar of milk or milk sugar; a crystalline sugar present in milk, and separable from the whey by evaporation and crystallization. It has a slightly sweet taste, is dextrorotary, and is much less soluble in water than either cane sugar or glucose. Formerly called lactin.
2. (Chem.)
Defn: See Galactose.
LACTUCA
Lac*tu"ca, n. Etym: [L., lettuce. See Lettuce.] (Bot.)
Defn: A genus of composite herbs, several of which are cultivated foe salad; lettuce.
LACTUCARIUM
Lac`tu*ca"ri*um, n. Etym: [NL., fr. L. lactuca lettuce.]
Defn: The inspissated juice of the common lettuce, sometimes used as a substitute for opium.
LACTUCIC
Lac*tu"cic, a. (Chem.)