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of the sphere, especially of the circles described on its surface. -- Spherical harmonic analysis. See under Harmonic, a. -- Spherical lune,portion of the surface of a sphere included between two great semicircles having a common diameter. -- Spherical opening, the magnitude of a solid angle. It is measured by the p…

atter is composed of nerve fibers only. The center of the cord is traversed by a slender canal connecting with the ventricles of the brain.

Any element of the skeleton in relation with the alimentary canal, as the jaws and hyoidean apparatus. -- Splanch`nap`o*phys"i*al, a. Mivart.

stoderm divides on either side of the notochord, and from which the walls of the enteric canal and the umbilical vesicle are developed. See Somatopleure. -- Splanch`no*pleu"ric, a.

. [Obs.] Bacon. Spoil bank, a bank formed by the earth taken from an excavation, as of a canal. -- The spoils system, the theory or practice of regarding public and their emoluments as so much plunder to be distributed among their active partisans by those who are chosen to responsible offices of administration.…

One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species.

Any one of a group of fishes having the dorsal and anal fins partially covered with scales.

a normal standard; to calculate or adjust the strength of, by means of, and for uses in, analysis.

A hypothetical substance, Sn(OH)4, analogous to silic acid, and called also normal stannic acid. (b) Metastannic acid. -- Stannic chloride, a thin, colorless, fuming liquid, SnCl4, used as a mordant in calico printing and dyeing; -- formerly called spirit of tin, or fuming liquor of Libavius. -- Stannic oxide, tin ox…

e vast plains in Southeastern Europe and in Asia, generally elevated, and free from wood, analogous to many of the prairies in Western North America. See Savanna. Steppe murrain. (Far.) See Rinderpest.

r found in the fæces, a product of the alteration of the bile pigments in the intestinal canal, -- identical with hydrobilirubin.

The hypothetical radical SbH4, analogous to ammonium; -- called also antimonium.

An enlargement, or series of enlargements, in the anterior part of the alimentary canal, in which food is digested; any cavity in which digestion takes place in an animal; a digestive cavity. See Digestion, and Gastric juice, under Gastric.

A part of the alimentary canal. See under Mesenteron.

A colorless liquid, analogous suberone proper, having a pleasant peppermint odor. It is obtained by the distillation of calcium suberate.

se so subtly true. Pope. Subtly communicating itself to my sensibilities, but evading the analysis of my mind. Hawthorne.

Pertaining to, or designating, an acid amide, analogous to succinamic acid, which is obtained as a white crystalline substance by heating urea with succinic anhydride. It is known also in its salts.

A compound of sucrose (or of some related carbohydrate) with some base, after the analogy of a salt; as, sodium sucrate.

An acid in which, to a greater or less extent, sulphur plays a part analogous to that of oxygen in an oxyacid; thus, thiosulphuric and sulpharsenic acids are sulphacids; -- called also sulphoacid. See the Note under Acid, n., 2.

amide; specifically, designating an amido acid derivative, NH2.SO2.OH, of sulphuric acid (analogous to sulphonic acid) which is not known in the free state, but is known in its salts.