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The art of measuring the distance of objects afar off. [Obs. or R.]

A deposit formed in a liquid extract of a vegetable substance by exposure to the air.

Semblance, or apparent likeness; external show. pl. Outward signs, or circumstances, fitted to make a particular impression or to determine the judgment as to the character of a person or a thing, an act or a state; as, appearances are against him. There was upon the tabernacle, as it were, the appearance of fire. Num.…

matter from the blood is transformed on the surface of an organ into solid unorganized substance.

n dread of possible harm; in expectation of evil. Not at all apprehensive of evils as a distance. Tillotson. Reformers . . . apprehensive for their lives. Gladstone.

wo points of an orbit, as of a planet or satellite, which are at the greatest and least distance from the central body, corresponding to the aphelion and perihelion of a planet, or to the apogee and perigee of the moon. The more distant is called the higher apsis; the other, the lower apsis; and the line joining them,…

water. An aqueous deposit. Dana. Aqueous extract, an extract obtained from a vegetable substance by steeping it in water. -- Aqueous humor (Anat.), one the humors of the eye; a limpid fluid, occupying the space between the crystalline lens and the cornea. (See Eye.) -- Aqueous rocks (Geol.), those which are deposited…

cane sugar, contained in gum arabic, from which it is extracted as a white, amorphous substance.

The substance from which attraction spheres develop in mitotic cell division, and of which they consist.

An oily liquid substance, C8H13O2N, the chief alkaloid of the betel nut, to which the latter owes its anthelmintic action.

A substance regarded as an element, contained in the atmosphere and remarkable for its chemical inertness. Rayleigh and Ramsay.

whom is the arm of the Lord revealed Isa. lii. 1. Arm's end, the end of the arm; a good distance off. Dryden. -- Arm's length, the length of the arm. -- Arm's reach, reach of the arm; the distance the arm can reach. -- To go (or walk) arm in arm, to go with the arm or hand of one linked in the arm of another. "When…

Any equipment for resistance.

The quality or principle of plants or other substances which constitutes their fragrance; agreeable odor; as, the aroma of coffee.

erous; as, aromatic balsam. Aromatic compound (Chem.), one of a large class of organic substances, as the oils of bitter almonds, wintergreen, and turpentine, the balsams, camphors, etc., many of which have an aromatic odor. They include many of the most important of the carbon compounds and may all be derived from the…

The act of arriving, or coming; the act of reaching a place from a distance, whether by water (as in its original sense) or by land. Our watchmen from the towers, with longing eyes, Expect his swift arrival. Dryden.

One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356º Fahrenheit. It is sometimes found native, but usual…

Combined with arsenic; -- said some elementary substances or radicals; as, arseniureted hydrogen. [Also spelt arseniuretted.]

iding and abetting a criminal in the perpetration of a crime, whether by advice or by assistance in the execution; complicity.

Even; not odd; -- said of elementary substances and of radicals the valence of which is divisible by two without a remainder.