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odor. It is one of the most deadly poisons. It is made by the action of sulphuric acid on yellow prussiate of potassium (potassium ferrocyanide), and chemically resembles hydrochloric and hydrobromic acids. Called also prussic acid, hydrogen cyanide, etc.

oid associated with cocaine in coca leaves (Erythroxylon coca), and extracted as a thick, yellow oil, having a pungent taste and odor.

A genus of plants, generally with dotted leaves and yellow flowers; -- called also St. John's-wort.

the reduction of sulphurous acid. It is not obtained in the free state, but in an orange-yellow water solution, which is a strong reducing and bleaching agent. Called also hydrosulphurous acid.

Anterior in age to the lowest rocks which contain organic remains. Lyell.

Yellow; of the color of the skin when it is affected by the jaundice.

Of a tint resembling that produced by jaundice; yellow; as, an icteroid tint or complexion.

A yellow dye obtained from the leaves of the holly.

A dark yellow, crystalline substance, obtained by the action of ammonia on isatin.

ee Jack in the Pulpit, and Wake-robin. -- Indian wheat, maize or Indian corn. -- Indian yellow. (a) An intense rich yellow color, deeper than gamboge but less pure than cadmium. (b) See Euxanthin.

A glucoside obtained from woad (indigo plant) and other plants, as a yellow or light brown sirup. It has a nauseous bitter taste, a decomposes or drying. By the action of acids, ferments, etc., it breaks down into sugar and indigo. It is the source of natural indigo.

go blue, and by oxidation easily changed back to it; -- called also indigogen. -- Indigo yellow, a substance obtained from indigo.

action of heat, as before the blowpipe. In a higher heat, it intumesces, and melts into a yellowish black mass. Kirwan.

A yellow, crystalline, volatile substance, CI3H, having an offensive odor and sweetish taste, and analogous to chloroform. It is used in medicine as a healing and antiseptic dressing for wounds and sores.

Silver iodide, a mineral of a yellowish color.

A brownish yellow color.

pe. Its leaves are evergreen, dark, smooth, shining, and mostly five-pointed; the flowers yellowish and small; the berries black or yellow. The stem clings to walls and trees by rootlike fibers. Direct The clasping ivy where to climb. Milton. Ye myrtles brown, with ivy never sere. Milton. American ivy. (Bot.) See Virgi…

oft fibrous matter are scattered the seeds, which are roasted and eaten. The wood is of a yellow color, fine grain, and rather heavy, and is much used in cabinetwork. It is also used for dyeing a brilliant yellow. [Written also jak.]

e animal (Felis onca), ranging from Texas and Mexico to Patagonia. It is usually brownish yellow, with large, dark, somewhat angular rings, each generally inclosing one or two dark spots. It is chiefly arboreal in its habits. Called also the American tiger.

An ocher-yellow mineral occurring on minute rhombohedral crystals. It is a hydrous sulphate of iron and potash.