Same as leukemia.

The formation of leucocytes.

White and black; -- said of a white animal of a black species, or the albino of the negro race.

An albino.

A nitrogenous organic base from coal tar, and identical with quinoline. Cf. Quinoline.

A white opacity in the cornea of the eye; -- called also albugo.

An animal base or alkaloid, appearing in the tissue during life; hence, a vital alkaloid, as distinguished from a ptomaine or cadaveric poison.

Pertaining to, or designating, a complex organic acid, obtained as a yellowish white gum by the oxidation of croconic acid.

The state of an albino, or of a white child of black parents.

A mineral of a greenish yellow color; it is a silicate of glucina, lime, and soda with fluorine. Called also leucophanite.

A dropsical habit of body, or the commencement of anasarca; paleness, with viscid juices and cold sweats.

Having a dropsical habit of body, with a white bloated skin.

A colorless substance isomeric with chlorophyll, contained in parts of plants capable of becoming green.

Having white or silvery foliage.

One of certain very minute whitish or colorless granules occurring in the protoplasm of plants and supposed to be the nuclei around which starch granules will form.

A mineral of a color between white and steel-gray, with a metallic luster, and consisting chiefly of arsenic and iron.

A discharge of a white, yellowish, or greenish, viscid mucus, resulting from inflammation or irritation of the membrane lining the genital organs of the female; the whites.

A large antelope of North Africa (Oryx leucoryx), allied to the gemsbok.

An instrument, devised by Professor Helmholtz, for testing the color perception of the eye, or for comparing different lights, as to their constituent colors or their relative whiteness.

Like or pertaining to the Leucosoidea, a tribe of marine crabs including the box crab or Calappa.

The inner corona.

Pertaining to, or designating, a nitrogenous organic substance of the uric acid group, called leucoturic acid or oxalantin. See Oxalantin.

White; -- applied to albinos, from the whiteness of their skin and hair.

A nearly opaque white mineral, in part identical with titanite, observed in some igneous rocks as the result of the alteration of titanic iron.

A disease in which the white corpuscles of the blood are largely increased in number, and there is enlargement of the spleen, or the lymphatic glands; formerly called leucocythaemia. It is due to a cancer of the bone marrow, and results in anemia and increased susceptibility to infectious disease.

See Luke, etc.

See Leucoplast.

A goddess who protected newborn infants.

To run away from one's debts; to decamp.

A strong easterly wind peculiar to the Mediterranean.

A native or inhabitant of the Levant.

A writ of execution at common law.

The act of raising; elevation; upward motion, as that produced by the action of a levator muscle.

A muscle that serves to raise some part, as the lip or the eyelid.

To grant; -- used esp. in exclamations or prayers followed by a dependent clause.

A dry sirocco of Spain.

To keep within a channel by means of levees; as, to levee a river.

See Levy in mass, under Levy, n.

Allowable; permissible; lawful.

To be level; to be on a level with, or on an equality with, something; hence, to accord; to agree; to suit.

One who, or that which, levels.

exercising or showing good judgment or common sense; sensible.

The act or operation of making level.

The disposition or endeavor to level all distinctions of rank in society.

In an even or level manner.

The state or quality of being level.

Lightning.

A rigid piece which is capable of turning about one point, or axis (the fulcrum), and in which are two or more other points where forces are applied; -- used for transmitting and modifying force and motion. Specif., a bar of metal, wood, or other rigid substance, used to exert a pressure, or sustain a weight, at one point of its length, by receiving a force or power at a second, and turning at a third on a fixed point called a fulcrum. It is usually named as the first of the six mechanical powers, and is of three kinds, according as either the fulcrum F, the weight W, or the power P, respectively, is situated between the other two, as in the figures.

The action of a lever; mechanical advantage gained by the lever.

A hare in the first year of its age.

A lark.

The American hop hornbeam (Ostrya Virginica), a small tree with very tough wood.

A leafy shelter; a place covered with foliage.

A trumpet call for rousing soldiers; a reveille.

Fit to be levied; capable of being assessed and collected; as, sums leviable by course of law.

One who levies.

Capable of being levigated.

Made smooth, as if polished.

The act or operation of levigating.

Lightning.

A husband's brother; -- used in reference to levirate marriages.

Of, pertaining to, or in accordance with, a law of the ancient Israelites and other tribes and races, according to which a woman, whose husband died without issue, was married to the husband's brother.

Levirate marriage or marriages.

A group of birds, including the hornbills, kingfishers, and related forms.

To make buoyant; to cause to float in the air; as, to levitate a table.

One of the tribe or family of Levi; a descendant of Levi; esp., one subordinate to the priests (who were of the same tribe) and employed in various duties connected with the tabernacle first, and afterward the temple, such as the care of the building, bringing of wood and other necessaries for the sacrifices, the music of the services, etc.

Of or pertaining to a Levite or the Levites.

After the manner of the Levites; in accordance with the levitical law.

The third canonical book of the Old Testament, containing the laws and regulations relating to the priests and Levites among the Hebrews, or the body of the ceremonial law.

The quality of weighing less than something else of equal bulk; relative lightness, especially as shown by rising through, or floating upon, a contiguous substance; buoyancy; -- opposed to gravity.

A prefix from L. laevus Pertaining to, or toward, the left; as, levorotatory. Turning the plane of polarized light to the left; as, levotartaric acid; levoracemic acid; levogyratory crystals, etc.

A substance used as a therapy for Parkinson's Disease; the L form of Dopa; L-dihydroxyphenylalanine; L-hydroxytyrosine (C9H11NO4); also called L-dopa. In the body it is converted by the enzyme dopa-decarboxylase into dopamine, the form in which it is active in the brain, affecting neural impulse transmission.

Turning or twisting the plane of polarization of light towards the left, as levulose, levotartaric acid, etc.; levorotatory.

Same as levorotatory.

Rotation in the direction of an outgoing right-handed screw; counter-clockwise rotation; -- applied chiefly to the turning of the plane of polarization of light.

Turning or rotating the plane of polarization of light towards the left; -- applied to crystals and compounds exhibiting optical activity, such as levulose, left-handed quartz crystals, etc. Opposite of dextrorotatory.

A substance resembling dextrin, obtained from the bulbs of the dahlia, the artichoke, and other sources, as a colorless, spongy, amorphous material. It is so called because by decomposition it yields levulose.

Pertaining to, or denoting, an acid (called also acetyl-propionic acid), C5H8O3, obtained by the action of dilute acids on various sugars (as levulose).

An unfermentable carbohydrate obtained by gently heating levulose.

A sirupy variety of sugar, rarely obtained crystallized, occurring widely in honey, ripe fruits, etc., and hence called also fruit sugar; also called fructose. Chemical formula: C6H12O6. It is called levulose, because it rotates the plane of polarization of light to the left, in contrast to dextrose, the other product of the hydrolysis of sucrose.

To seize property, real or personal, or subject it to the operation of an execution; to make a levy; as, to levy on property; the usual mode of levying, in England, is by seizing the goods.

A whitish, reddish, or yellowish, transparent or translucent mineral, allied to chabazite.

Lukewarm; tepid.

Not clerical; laic; laical; hence, unlearned; simple.

A lewd person.

An iron dovetailed tenon, made in sections, which can be fitted into a dovetail mortise; -- used in hoisting large stones, etc.

Law; as, lex talionis, the law of retaliation; lex terr/, the law of the land; lex fori, the law of the forum or court; lex loci, the law of the place; lex mercatoria, the law or custom of merchants.

Of or pertaining to a lexicon, to lexicography, or words; according or conforming to a lexicon.

To make into a word, coin into a word; as, The concept expressed by German "Gemuetlichkeit" is not lexicalized in English.

The author or compiler of a lexicon or dictionary.

Of or pertaining to, or according to, lexicography.

A lexicographer.

The art, process, or occupation of making a lexicon or dictionary; the principles which are applied in making dictionaries; as, with so many words lexicography can be interesting in parts but at length is rather tedious labor.

One versed in lexicology.

The science of the derivation and signification of words; that branch of learning which treats of the signification and application of words.

A vocabulary, or book containing an alphabetical arrangement of the words in a language or of a considerable number of them, with the definition of each; a dictionary; especially, a dictionary of the Greek, Hebrew, or Latin language.

A writer of a lexicon.

Of or pertaining to lexigraphy.

The art or practice of defining words; definition of words.

Using, or interlarded with, pretentious words; bombastic; as, a lexiphanic writer or speaker; lexiphanic writing.

The use of pretentious words, language, or style.

See Alexipharmic.

Fallow; unseeded.

A glass jar or bottle used to accumulate electricity. It is coated with tin foil, within and without, nearly to its top, and is surmounted by a brass knob which communicates with the inner coating, for the purpose of charging it with electricity. It is so named from having been invented in Leyden, Holland.

A genus that in some classifications overlaps the genus Elymus.

Leisure.

The name of an island in the Pacific Ocean and of a battle in World War II, at which the American forces experienced the first use of Kamikaze aircraft by the Japanese. The return of U. S. troops to the Philippines after their expulsion by the Japanese began with landings on Leyte Island in October 1944.

Low frequency, a term used to refer to radio waves of a frequency from 30 to 300 kilohertz. Contrasted to HF, high frequency.

An abbreviation for luteinizing hormone, a gonadotropic hormone that is secreted by the pituitary and stimulates ovulation in female mammals, and stimulates androgen release in male mammals.

The capital city of Tibet; it is the sacred city of Lamaism.

An igneous rock consisting largely of chrysolite, with pyroxene and picotite (a variety of spinel containing chromium).

A Chinese measure of distance, being a little more than one third of a mile.

A small balance.

Bound or obliged in law or equity; responsible; answerable; as, the surety is liable for the debt of his principal.

Quality of being liable; liability.

Union by league; alliance.

To form or maintain a liaison{3}.

A union, or bond of union; an intimacy; an interrelationship.

A luxuriant woody plant, climbing high trees and having ropelike stems. The grapevine often has the habit of a liane. Lianes are abundant in the forests of the Amazon region.

A heavy weapon of the Australian aborigines with a sharp-pointed end, about nine inches in length, projecting at right angles from the main part.