Webster's Dictionary, 1913

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Laconically adverb In a laconic manner.

Laconicism noun Same as Laconism . Pope.

Laconism noun [ Greek ..., from ... to imitate Lacedæmonian manners, to speak laconically: confer French laconisme .]
1. A vigorous, brief manner of expression; laconic style.

2. An instance of laconic style or expression.

Laconize intransitive verb [ imperfect & past participle Laconized ; present participle & verbal noun Laconizing .] [ Greek .... See Laconic .] To imitate the manner of the Laconians, especially in brief, pithy speech, or in frugality and austerity.

Lacquer noun [ French lacre a sort of sealing wax, Portuguese lacte , from laca lac. See Lac the resin.] [ Written also lacker .] A varnish, consisting of a solution of shell-lac in alcohol, often colored with gamboge, saffron, or the like; -- used for varnishing metals, papier- maché, and wood. The name is also given to varnishes made of other ingredients, esp. the tough, solid varnish of the Japanese, with which ornamental objects are made.

Lacquer transitive verb [ imperfect & past participle Lacquered ; present participle & verbal noun Lacquering .] To cover with lacquer. " Lacquer'd chair." Pope.

Lacquerer noun One who lacquers, especially one who makes a business of lacquering.

Lacquering noun The act or business of putting on lacquer; also, the coat of lacquer put on.

Lacrimoso adjective [ Italian See Lachrymose .] (Mus.) Plaintive; -- a term applied to a mournful or pathetic movement or style. Moore.

Lacrosse noun [ French la crosse , lit., the crosier, hooked stick. Confer Crosier .] A game of ball, originating among the North American Indians, now the popular field sport of Canada, and played also in England and the United States. Each player carries a long-handled racket, called a " crosse ". The ball is not handled but caught with the crosse and carried on it, or tossed from it, the object being to carry it or throw it through one of the goals placed at opposite ends of the field.

Lacrymal noun & adjective See Lachrymatory , noun , and Lachrymal , adjective

Lacrymary, Lacrytory Lac"ry*mose See Lachrymary , Lachrymatory , Lachrymose .

Lactage noun [ Latin lac , lactis , milk: confer French laitage . See Lacteal .] The produce of animals yielding milk; milk and that which is made from it.

Lactam noun [ Lact one + ami do.] (Chemistry) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol.

Lactamic adjective (Chemistry) Pertaining to, or designating, an amido acid related to lactic acid, and called also amido-propionic acid.

Lactamide noun [ Lac tic + ami de.] (Chemistry) An acid amide derived from lactic acid, and obtained as a white crystalline substance having a neutral reaction. It is metameric with alanine.

Lactant adjective [ Latin lactans , present participle of lactare to suck, from lac , lactis , milk.] Suckling; giving suck.

Lactarene noun [ Latin lac , lactis , milk.] A preparation of casein from milk, used in printing calico.

Lactary adjective [ l. lactarius , from lac , lactis , milk: confer French lactaire .] Milky; full of white juice like milk. [ Obsolete] " Lactary or milky plants." Sir T. Browne.

Lactary noun a dairyhouse. [ R.]

Lactate noun [ Latin lac , lactis , milk: confer French lactate .] (Chemistry) A salt of lactic acid.

Lactation noun A giving suck; the secretion and yielding of milk by the mammary gland.

Lacteal adjective [ Latin lacteus milky, from lac , lactis , milk. Confer Galaxy , Lettuce .]
1. Pertaining to, or resembling, milk; milky; as, the lacteal fluid.

2. (Anat. & Physiol.) Pertaining to, or containing, chyle; as, the lacteal vessels.

Lacteal noun (Anat.) One of the lymphatic vessels which convey chyle from the small intestine through the mesenteric glands to the thoracic duct; a chyliferous vessel.

Lacteally adverb Milkily; in the manner of milk.

Lactean adjective [ See Lacteal .]
1. Milky; consisting of, or resembling, milk. "This lactean whiteness." Moxon.

2. (Anat. & Physiol.) Lacteal; conveying chyle.

Lacteous adjective [ See Lacteal .]
1. Milky; resembling milk. "The lacteous circle." Sir T. Browne.

2. Lacteal; conveying chyle; as, lacteous vessels.

Lacteously adverb In a lacteous manner; after the manner of milk.

Lactescence noun [ Confer French lactescence .]
1. The state or quality of producing milk, or milklike juice; resemblance to milk; a milky color.

This lactescence does commonly ensue when . . . fair water is suddenly poured upon the solution.

2. (Botany) The latex of certain plants. See Latex .

Lactescent adjective [ Latin lactescens , present participle of lactescere to turn to milk, incho. from lactere to be milky, from lac , lactis , milk: confer French lactescent .]
1. Having a milky look; becoming milky. [ Obsolete]

2. (Botany) Producing milk or a milklike juice or fluid, as the milkweed. See Latex .

Lactic adjective [ Latin lac , lactis , milk: confer French lactique . See Lacteal , and confer Galactic .] (Physiol. Chem.) Of or pertaining to milk; procured from sour milk or whey; as, lactic acid; lactic fermentation, etc.

Lactic acid (Physiol. Chem.) , a sirupy, colorless fluid, soluble in water, with an intensely sour taste and strong acid reaction. There are at least three isomeric modifications all having the formula C 3 H 6 O 3 . Sarcolactic or paralactic acid occurs chiefly in dead muscle tissue, while ordinary lactic acid results from fermentation. The two acids are alike in having the same constitution (expressed by the name ethylidene lactic acid ), but the latter is optically inactive, while sarcolactic acid rotates the plane of polarization to the right. The third acid, ethylene lactic acid , accompanies sarcolactic acid in the juice of flesh, and is optically inactive. -- Lactic ferment , an organized ferment ( Bacterium lacticum or lactis ), which produces lactic fermentation, decomposing the sugar of milk into carbonic and lactic acids, the latter, of which renders the milk sour, and precipitates the casein, thus giving rise to the so-called spontaneous coagulation of milk. -- Lactic fermentation . See under Fermentation .

Lactide noun [ Lac tic + anhydride.] (Chemistry) A white, crystalline substance, obtained from lactic acid by distillation, and regarded as an anhydride; also, by extension, any similar substance.

Lactiferous adjective [ l. lac , lactis , milk + -ferous : confer French lactif è re .] Bearing or containing milk or a milky fluid; as, the lactiferous vessels, cells, or tissue of various vascular plants.

Lactific, Lactifical adjective [ Latin lac , lactis , milk + facere to make.] Producing or yielding milk.

Lactifuge noun [ Latin lac , lactis , milk + fugare to expel.] (Medicine) A medicine to check the secretion of milk, or to dispel a supposed accumulation of milk in any part of the body.

Lactim noun [ Lactic + im ido.] (Chemistry) One of a series of anhydrides resembling the lactams, but of an imido type; as, isatine is a lactim . Confer Lactam .

Lactimide noun [ Lactic + imide .] (Chemistry) A white, crystalline substance obtained as an anhydride of alanine, and regarded as an imido derivative of lactic acid.

Lactin noun [ Latin lac , lactis , milk: confer French lactine . Confer Galactin .] (Physiol. Chem.) See Lactose .

Lactoabumin noun [ Latin lac , lactis , milk + English albumin .] (Physiol. Chem.) The albumin present in milk, apparently identical with ordinary serum albumin. It is distinct from the casein of milk.

Lactobutyrometer noun [ Latin lac , lactis , milk + English butyrometer .] An instrument for determining the amount of butter fat contained in a given sample of milk.

Lactodensimeter noun [ Latin lac , lactis , milk + English 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.

Lactometer noun [ Latin lac , lactis , milk + meter : confer French lactomètre . Confer Galactometer .] An instrument for estimating the purity or richness of milk, as a measuring glass, a specific gravity bulb, or other apparatus.

Lactone noun (Chemistry) 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.

Lactonic adjective [ From Lactone .] (Chemistry) Of, pertaining to, or derived from, lactone.

Lactoprotein noun [ Latin lac , lactis , milk + English protein .] (Physiol. Chem.) A peculiar albuminous body considered a normal constituent of milk.

Lactory adjective Lactiferous. [ Obsolete] " Lactory or milky plants." Sir T. Browne.

Lactoscope noun [ Latin lac , lactis + scope .] An instrument for estimating the amount of cream contained in milk by ascertaining its relative opacity.

Lactose noun
1. (Physiol. Chem.) 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. (Chemistry) See Galactose .

Lactuca noun [ Latin , lettuce. See Lettuce .] (Botany) A genus of composite herbs, several of which are cultivated for salad; lettuce.