{ ‖ } n. [ Gr. 'agalakti`a; 'a priv. + ga`la, gala`ktos ] (Med.) Failure of the due secretion of milk after childbirth. AS [ 1913 Webster ]

a. Lacking milk to suckle with. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, milk + &unr_; to lead. ] (Med.) An agent exciting secretion of milk. [ 1913 Webster ]

a. [ Gr. &unr_; milky, fr. &unr_;, &unr_;, milk. See Galaxy, and cf. Lactic. ] 1. Of or pertaining to milk; got from milk; as, galactic acid. [ 1913 Webster ]

2. Of or pertaining to the galaxy or Milky Way. [ 1913 Webster ]

Galactic circle (Astron.), the great circle of the heavens, to which the course of the galaxy most nearly conforms. Herschel. --
Galactic poles, the poles of the galactic circle. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, milk. Cf. Lactin. ] (Chem.) (a) An amorphous, gelatinous substance containing nitrogen, found in milk and other animal fluids. It resembles peptone, and is variously regarded as a coagulating or emulsifying agent. (b) A white waxy substance found in the sap of the South American cow tree (Galactodendron). (c) An amorphous, gummy carbohydrate resembling gelose, found in the seeds of leguminous plants, and yielding on decomposition several sugars, including galactose. [ 1913 Webster ]

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

n. [ Gr. &unr_;, &unr_;, milk + -meter: cf. F. galactomètre. Cf. Lactometer. ] An instrument for ascertaining the quality of milk (i.e., its richness in cream) by determining its specific gravity; a lactometer. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, milk + &unr_; to eat: cf. &unr_; to live on milk. ] One who eats, or subsists on, milk. [ 1913 Webster ]

a. [ Gr. &unr_;: cf. F. galactophade. ] Feeding on milk. [ 1913 Webster ]

a. [ Gr. &unr_;; &unr_;, &unr_;, milk + fe`rein to bear: cf. F. galactophore. Cf. Lactiferous. ] (Anat.) Milk-carrying; lactiferous; -- applied to the ducts of mammary glands. [ 1913 Webster ]

a. [ Gr. &unr_;, &unr_;, milk + &unr_; capable of making; fr. &unr_; to make. ] (Med.) Increasing the flow of milk; milk-producing. -- n. A galactopoietic substance. [ 1913 Webster ]

n. (Chem.) A white, crystalline sugar, C6H12O6, isomeric with dextrose, obtained by the decomposition of milk sugar, and also from certain gums. When oxidized it forms mucic acid. Called also lactose (though it is not lactose proper). [ 1913 Webster ]