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Pertaining to, or designating, an organic amido acid, which is regarded as a derivative of lactic acid and urea.

An organic residue or radical derived from lactic acid.

environments, and esp., in the case of animals, by effort, or by use or disuse of certain organs.

fishlike animal (Amphioxus lanceolatus), remarkable for the rudimentary condition of its organs. It is the type of the class Leptocardia. See Amphioxus, Leptocardia.

In Ireland, a combination of tenant farmers and other, organized, with Charles Stewart Parnell as president, in 1879 with a view to the reduction of farm rents and a reconstruction of the land laws. -- Land"*lea`guer (#), n. -- Land"*lea`guism (#), n.

; the expression of ideas by the voice; sounds, expressive of thought, articulated by the organs of the throat and mouth.

Anything resembling the tongue in form or office; specif., the slip of metal in an organ pipe which turns the current of air toward its mouth.

Pertaining to, or designating, a nitrogenous organic acid of the uric acid group, obtained by the decomposition of allantoin, and usually called allanturic acid.

quation of the first degree. [Obs.] -- Lateral line (Anat.), in fishes, a line of sensory organs along either side of the body, often marked by a distinct line of color. -- Lateral pressure or stress (Mech.), a pressure or stress at right angles to the length, as of a beam or bridge; -- distinguished from longitudinal…

A white organic base, resembling morphine, and obtained from certain varieties of opium.

is a sweet contraction of the muscles of the face, and a pleasant agitation of the vocal organs, is not merely, or totally within the jurisdiction of ourselves. Sir T. Browne. Archly the maiden smiled, and with eyes overrunning with laughter. Longfellow.

e bay (Laurus nobilis), and consisting of a complex mixture of glycerin ethers of several organic acids.

An organic rule, as a constitution or charter, establishing and defining the conditions of the existence of a state or other organized community.

A special organ of vegetation in the form of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril.

A leaflike organ or part; as, a leaflet of the gills of fishes.

Pertaining to, or designating, an organic acid which is obtained from several varieties of lichen (Lecanora, Roccella, etc.), as a white, crystalline substance, and is called also orsellic, or diorsellinic acid, lecanorin, etc.

An organic base, C9H6.N.CH3, metameric with quinaldine, and obtained by the distillation of cinchonine.

s represented only by a simple pulsating vessel. The blood is colorless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. See Amphioxus. [Written also Leptocardii.]

rk or character used as the representative of a sound, or of an articulation of the human organs of speech; a first element of written language. And a superscription also was written over him in letters of Greek, and Latin, and Hebrew. Luke xxiii. 38.

A colorless, crystalline, organic base, obtained from rosaniline by reduction, and also from other sources. It forms colorless salts.