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Labrum

A lip or edge, as of a basin.

Labrus

A genus of marine fishes, including the wrasses of Europe. See Wrasse.

Laburnic

Of, pertaining to, or derived from, the laburnum.

Laburnine

A poisonous alkaloid found in the unripe seeds of the laburnum.

Laburnum

A small leguminous tree (Cytisus Laburnum), native of the Alps. The plant is reputed to be poisonous, esp. the bark and seeds. It has handsome racemes of yellow blossoms.

Labyrinth

An edifice or place full of intricate passageways which render it difficult to find the way from the interior to the entrance; as, the Egyptian and Cretan labyrinths.

Labyrinthal

Pertaining to, or resembling, a labyrinth; intricate; labyrinthian.

Labyrinthian

Intricately winding; like a labyrinth; perplexed; labyrinthal.

Labyrinthici

An order of teleostean fishes, including the Anabas, or climbing perch, and other allied fishes.

Labyrinthine

Pertaining to, or like, a labyrinth; labyrinthal; labyrinthian.

Labyrinthodon

A genus of very large fossil amphibians, of the Triassic period, having bony plates on the under side of the body. It is the type of the order Labyrinthodonta. Called also Mastodonsaurus.

Labyrinthodont

Of or pertaining to the Labyrinthodonta. One of the Labyrinthodonta.

Labyrinthodonta

An extinct order of Amphibia, including the typical genus Labyrinthodon, and many other allied forms, from the Carboniferous, Permian, and Triassic formations. By recent writers they are divided into two or more orders. See Stegocephala.

Lac

A resinous substance produced mainly on the banyan tree, but to some extent on other trees, by the Laccifer lacca (formerly Coccus lacca), a scale-shaped insect, the female of which fixes herself on the bark, and exudes from the margin of her body this resinous substance.

Laccic

Pertaining to lac, or produced from it; as, laccic acid.

Laccin

A yellow amorphous substance obtained from lac.

Laccolith Laccolite

A mass of igneous rock intruded between sedimentary beds and resulting in a mammiform bulging of the overlying strata.

Lace

To be fastened with a lace, or laces; as, these boots lace.

lace into

To attack vigorously; -- used of physical or verbal attacks; as, the boss laced into him for coming to the meeting late.

Lace-bark

A shrub in the West Indies (Lagetta Iintearia); -- so called from the lacelike layers of its inner bark.

Lace-winged

Having thin, transparent, reticulated wings; as, the lace-winged flies.

lacebark

A small tree or shrub (Hoheria populnea) of New Zealand having a profusion of axillary clusters of honey-scented paper-white flowers and whose bark is used for cordage.

Laced

Fastened with a lace or laces; decorated with narrow strips or braid. See Lace, v. t.

Lacedaemonian

Of or pertaining to Laced/mon or Sparta, the chief city of Laconia in the Peloponnesus. A Spartan.

Lacerate

To tear; to rend; to separate by tearing; to mangle; as, to lacerate the flesh. To afflict; to torture; as, to lacerate the heart.

Lacerative

Lacerating, or having the power to lacerate; as, lacerative humors.

Lacert

A muscle of the human body.

Lacerta

A genus of lizards. See Lizard.

Lacertian

Like a lizard; of or pertaining to the Lacertilia. One of the Lacertilia.

lacertid

Any lizard of the family Lacertidae, a family of Old World terrestrial lizard.

Lacertilia

An order of Reptilia, which includes the lizards.

Lacertus

A bundle or fascicle of muscular fibers.

Lacewing

Any one of several species of neuropterous insects of the genus Chrysopa and allied genera. They have delicate, lacelike wings and brilliant eyes. Their larv/ are useful in destroying aphids. Called also lace-winged fly, and goldeneyed fly.

Lache Laches

Neglect; negligence; remissness; neglect to do a thing at the proper time; especially, a delay in asserting a claim, sufficient to cause a person to lose the right to adjuducation of the claim by a court.

Lachrymal

Of or pertaining to tears; as, lachrymal effusions.

Lachrymals

Tears; also, lachrymal feelings or organs.

Lachrymary

Containing, or intended to contain, tears; lachrymal.

lachrymator

A chemical substance that causes tears to flow; same as lacrimator.

Lachrymatory

A /tear-bottle;/ a narrow-necked vessel found in sepulchers of the ancient Romans; -- so called from a former notion that the tears of the deceased person's friends were collected in it. Called also lachrymal or lacrymal.

lachrymatory

Relating to or inducing tears; -- especially of chemical substances.

Lachrymose

Generating or shedding tears; given to shedding tears; suffused with tears; tearful.

Lacing

The act of securing, fastening, or tightening, with a lace or laces.

Lacinia Laciniae

One of the narrow, jagged, irregular pieces or divisions which form a sort of fringe on the borders of the petals of some flowers. A narrow, slender portion of the edge of a monophyllous calyx, or of any irregularly incised leaf.

Laciniolate

Consisting of, or abounding in, very minute lacini/.

Lack

Exclamation of regret or surprise.

Lackaday

Alack the day; alas; -- an expression of sorrow, regret, dissatisfaction, or surprise.

Lackbrain

One who is deficient in understanding; a witless person.

Lackey

To act or serve as lackey; to pay servile attendance.

Laconian

Of or pertaining to Laconia, a division of ancient Greece; Spartan. An inhabitant of Laconia; esp., a Spartan.

Laconic Laconical

Expressing much in few words, after the manner of the Laconians or Spartans; brief and pithy; concise; brusque; epigrammatic. In this sense laconic is the usual form.

Laconism

A vigorous, brief manner of expression; laconic style.

Laconize

To imitate the manner of the Laconians, especially in brief, pithy speech, or in frugality and austerity.

Lacquerer

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

Lacquering

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

lacrimator

a chemical substance that causes tears to flow; same as lachrymator.

lacrimatory

relating to or inducing tears; -- especially of chemical substances; same as lachrymatory.

Lacrimoso

Plaintive; -- a term applied to a mournful or pathetic movement or style.

Lacrosse

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

See Lachrymatory, n., and Lachrymal, a.

Lactage

The produce of animals yielding milk; milk and that which is made from it.

Lactam

One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol; a cyclic amide.

Lactamic

Pertaining to, or designating, an amido acid related to lactic acid, and called also amido-propionic acid.

Lactamide

An acid amide derived from lactic acid, and obtained as a white crystalline substance having a neutral reaction. It is metameric with alanine.

Lactarene

A preparation of casein from milk, used in printing calico.

lactating

actively producing milk; -- of female mammals.

Lactation

The secretion and yielding of milk by the mammary gland; giving suck.

Lacteal

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

Lactean

Milky; consisting of, or resembling, milk.

Lacteously

In a lacteous manner; after the manner of milk.

Lactescence

The state or quality of producing milk, or milklike juice; resemblance to milk; a milky color.

Lactic

Of or pertaining to milk; procured from sour milk or whey; as, lactic acid; lactic fermentation, etc.

Lactide

A white, crystalline substance, obtained from lactic acid by distillation, and regarded as an anhydride; also, by extension, any similar substance.

Lactiferous

Bearing or containing milk or a milky fluid; as, the lactiferous vessels, cells, or tissue of various vascular plants.

Lactifuge

A medicine to check the secretion of milk, or to dispel a supposed accumulation of milk in any part of the body.

Lactim

One of a series of anhydrides resembling the lactams, but of an imido type; as, isatine is a lactim. Cf. Lactam.

Lactimide

A white, crystalline substance obtained as an anhydride of alanine, and regarded as an imido derivative of lactic acid.

Lactoabumin

The albumin present in milk, apparently identical with ordinary serum albumin. It is distinct from the casein of milk.

Lactobutyrometer

An instrument for determining the amount of butter fat contained in a given sample of milk.

Lactodensimeter

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

An instrument for estimating the purity or richness of milk, as a measuring glass, a specific gravity bulb, or other apparatus.

Lactone

One of a series of organic compounds, being cyclic esters which may be 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

Pertaining to, or designating, an acid obtained by the oxidation of milk sugar (lactose).

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