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Having a smooth surface, as if polished.

. A prefix. See Levo.

Same as Levorotatory. Cf. Dextrorotatory.

See Levulose.

A Linnæan genus of parasitic Entomostraca, -- the same as the family Lernæidæ.

A suborder of copepod Crustacea, including a large number of remarkable forms, mostly parasitic on fishes. The young, however, are active and swim freely. See Illustration in Appendix.

See Leucocythæmia. -- Leu*chæm"ic, a. [Written also leukæmia, leukæmic.]

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; leuchæmia.

Leucocythæmia.

A tree (Guaiacum officinale) found in the warm latitudes of America, from which the guaiacum of medicine is procured. Its wood is very hard and heavy, and is used for various mechanical purposes, as for the wheels of ships' blocks, cogs, bearings, and the like. See Guaiacum.

A genus of fresh-water air-breathing mollusks, abundant in ponds and streams; -- called also pond snail. [Written also Lymnæa.]

A group of shore birds, embracing the plovers, sandpipers, snipe, curlew, etc. ; the Grallæ.

The twin flower which grows in cold northern climates.

Of or pertaining to Linnæus, the celebrated Swedish botanist. Linnaean system (Bot.), the system in which the classes are founded mainly upon the stamens, and the orders upon the pistils; the artificial or sexual system.

A mineral of pale steel-gray color and metallic luster, occurring in isometric crystals, and also massive. It is a sulphide of cobalt containing some nickel or copper.

A condition in which fat occurs in the blood.

A condition in which uric (lithic) acid is present in the blood.

Verbal legerdemain; a playing with words. [R.] Coleridge.

Sport or freak of nature; a deformed or unnatural production.

A genus of extinct mammals allied to the cats, and having in the upper jaw canine teeth of remarkable size and strength; -- hence called saber-toothed tigers.