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The fibrous aromatic root of the Virginia snakeroot (Aristolochia Serpentaria).

the blood; the loquid portion of the blood, after removal of the blood corpuscles and the fibrin. -- Muscle serum, the thin watery fluid which separates from the muscles after coagulation of the muscle plasma; the watery portion of the plasma. See Muscle plasma, under Plasma. -- Serum albumin (Physiol. Chem.), an alb…

A leguminous shrub (Sesbania aculeata) which furnishes a fiber used for making ropes.

A fibrous material obtained by "deviling," or tearing into fibers, refuse woolen goods, old stockings, rags, druggets, etc. See Mungo.

nts common in the tropics. All the species are mucilaginous, and some have tough ligneous fibers which are used as a substitute for hemp and flax. Balfour (Cyc. of India).

der of Porifera, which includes those that have the skeleton composed mainly of siliceous fibers or spicules.

Same as Fibrolite.

a; travertine. -- Ceraunian sinter, fulgurite. -- Siliceous sinter, a light cellular or fibrous opal; especially, geyserite (see Geyserite). It has often a pearly luster, and is then called pearl sinter.

The prepared fiber of the Agave Americana, or American aloe, used for cordage; -- so called from Sisal, a port in Yucatan. See Sisal hemp, under Hemp.

- Skeleton leaf, a leaf from which the pulpy part has been removed by chemical means, the fibrous part alone remaining. -- Skeleton proof, a proof of a print or engraving, with the inscription outlined in hair strokes only, such proofs being taken before the engraving is finished. -- Skeleton regiment, a regiment whi…

A strand, or slender roll, of cotton or other fiber in a loose, untwisted state, produced by a carding machine and ready for the roving or slubbing which preceeds spinning.

or table, salt, NaCl. -- Sodium hydroxide, a white opaque brittle solid, NaOH, having a fibrous structure, produced by the action of quicklime, or of calcium hydrate (milk of lime), on sodium carbonate. It is a strong alkali, and is used in the manufacture of soap, in making wood pulp for paper, etc. Called also sodi…

he abdomen, consisting of several sympathetic ganglia with connecting and radiating nerve fibers; -- so called in allusion to the radiating nerve fibers. -- Solar spots. See Sun spots, under Sun. -- Solar system (Astron.), the sun, with the group of celestial bodies which, held by its attraction, revolve round it. Th…

Articles made of the blades or fiber of the Lygeum Spartum and Stipa (or Macrochloa) tenacissima, kinds of grass used in Spain and other countries for making ropes, mats, baskets, nets, and mattresses. Loudon.

An involuntary and unnatural contraction of one or more muscles or muscular fibers.

The white fibrous matter forming the matrix from which fungi. Spawn eater (Zoöl.), a small American cyprinoid fish (Notropis Hudsonius) allied to the dace.

ermining the exact position of objects and making delicate measurements. Fine wires, silk fibers, or lines on glass similarly placed, are called spider lines. -- Spider mite. (Zoöl.) (a) Any one of several species of parasitic mites of the genus Argas and allied genera. See Argas. (b) Any one of numerous small mites i…

spin wool, cotton, or flax; to spin goat's hair; to produce by drawing out and twisting a fibrous material. All the yarn she [Penelope] spun in Ulysses' absence did but fill Ithaca full of moths. Shak.

inale; the spinal, or vertebral, marrow; the myelon. The nervous tissue consists of nerve fibers and nerve cells, the latter being confined to the so-called gray matter of the central portions of the cord, while the peripheral white matter is composed of nerve fibers only. The center of the cord is traversed by a slend…

The elastic fibrous skeleton of many species of horny Spongiæ (keratosa), used for many purposes, especially the varieties of the genus Spongia. The most valuable sponges are found in the Mediterranean and the Red Sea, and on the coasts of Florida and the West Indies.