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  • English Word Lactonic Definition Of, pertaining to, or derived from, lactone.
  • English Word Lactoprotein Definition A peculiar albuminous body considered a normal constituent of milk.
  • English Word Lactory Definition Lactiferous.
  • English Word Lactoscope Definition An instrument for estimating the amount of cream contained in milk by ascertaining its relative opacity.
  • English Word Lactose Definition 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.
  • English Word Lactose Definition See Galactose.
  • English Word Lactuca Definition A genus of composite herbs, several of which are cultivated foe salad; lettuce.
  • English Word Lactucarium Definition The inspissated juice of the common lettuce, sometimes used as a substitute for opium.
  • English Word Lactucic Definition Pertaining to, or derived from, the juice of the Lactuca virosa; -- said of certain acids.
  • English Word Lactucin Definition A white, crystalline substance, having a bitter taste and a neutral reaction, and forming one of the essential ingredients of lactucarium.
  • English Word Lactucone Definition A white, crystalline, tasteless substance, found in the milky sap of species of Lactuca, and constituting an essential ingredient of lactucarium.
  • English Word Lacturamic Definition Pertaining to, or designating, an organic amido acid, which is regarded as a derivative of lactic acid and urea.
  • English Word Lactyl Definition An organic residue or radical derived from lactic acid.
  • English Word Lacuna Definition A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.
  • English Word Lacuna Definition A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants, or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.
  • English Word Lacunae Definition of Lacuna
  • English Word Lacunal Definition Alt. of Lacunar
  • English Word Lacunar Definition Pertaining to, or having, lacunae; as, a lacunar circulation.
  • English Word Lacunar Definition The ceiling or under surface of any part, especially when it consists of compartments, sunk or hollowed without spaces or bands between the panels.
  • English Word Lacunar Definition One of the sunken panels in such a ceiling.
  • English Word Lacunaria Definition of Lacunar
  • English Word Lacunars Definition of Lacunar
  • English Word Lacunas Definition of Lacuna
  • English Word Lacune Definition A lacuna.
  • English Word Lacunose Definition Alt. of Lacunous
  • English Word Lacunous Definition Furrowed or pitted; having shallow cavities or lacunae; as, a lacunose leaf.
  • English Word Lacustral Definition Alt. of Lacustrine
  • English Word Lacustrine Definition Found in, or pertaining to, lakes or ponds, or growing in them; as, lacustrine flowers.
  • English Word Lacwork Definition Ornamentation by means of lacquer painted or carved, or simply colored, sprinkled with gold or the like; -- said especially of Oriental work of this kind.
  • English Word Lad Definition A boy; a youth; a stripling.