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f Physostigma venenosum), and extracted as a white, tasteless, substance, amorphous or crystalline; -- formerly called eserine, with which it was regarded as identical.

A bitter white crystalline substance found in the cocculus indicus. It is a peculiar poisonous neurotic and intoxicant, and consists of a mixture of several neutral substances.

n alkaloid extracted from jaborandi (Pilocarpus pennatifolius) as a white amorphous or crystalline substance which has a peculiar effect on the vasomotor system.

A plane parallel to two of the crystalline axes.

A white crystalline substance related to the glycols, and made from acetone; hence, by extension, any one of a series of substances of which pinacone proper is the type. [Written also pinakone.]

A compact granular cryptocrystalline mineral of a dull grayish or greenish white color. It is a hydrous alkaline silicate, and is derived from the alteration of other minerals, as iolite.

A crystalline substance, (C2H4NH)2, formed by action of ammonia on ethylene bromide, by reduction of pyrazine, etc. It is a strong base, and is used as a remedy for gout.

n the products of different members of the Pepper family, and extracted as a yellowish crystalline substance.

A white crystalline compound of piperidine and piperic acid. It is obtained from the black pepper (Piper nigrum) and other species.

A white crystalline substance obtained by oxidation of piperic acid, and regarded as a complex aldehyde.

evel of the stage and behind the orchestra; now, in England, commonly the part behind the stalls; in the United States, the parquet; also, the occupants of such a part of a theater.

To set up; to install; to instate. We will plant some other in the throne. Shak.

consisting of platinic chloride and hydrochloric acid, and obtained as a brownish red crystalline substance, called platinichloric, or chloroplatinic, acid.

d compound of platinous cyanide and hydrocyanic acid. It is obtained as a cinnaber-red crystalline substance.

The property of crystallizing under two or more distinct fundamental forms, including dimorphism and trimorphism.

The property possessed by some substances of crystallizing in closely similar forms while unlike in chemical composition.

A crystalline substance said to be found in the root of a certain plant of the Leadwort (Plumbago) family.

A substance capable of crystallizing in several distinct forms; also, any one of these forms. Cf. Allomorph.

in the bark of certain species of the poplar (Populus), and extracted as a sweet white crystalline substance.

ldspar, quartz, or augite, in a relatively fine-grained base, often aphanitic or cryptocrystalline.