Search the Dictionary

At the extremity most remote from the hilum, as the embryo, or inverted with respect to the seed, as the radicle. Lindley.

r causing, anxiety; worrying; -- applied to things; as, anxious labor. The sweet of life, from which God hath bid dwell far off all anxious cares. Milton.

n indefinite number of persons; anyone; any person. His Majesty could not keep any secret from anybody. Macaulay.

well there. Aonian fount, the fountain of Aganippe, at the foot of Mount Helicon, not far from Thebes, and sacred to the Muses.

The great artery which carries the blood from the heart to all parts of the body except the lungs; the main trunk of the arterial system.

A room in a building; a division in a house, separated from others by partitions. Fielding.

elevator service, etc., furnished in common; -- often distinguished in the United States from a flat house.

That point in the orbit of a double star where the smaller star is farthest from its primary.

That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion.

Turning away from the sun; -- said of leaves, etc. Darwin.

The habit of bending from the sunlight; -- said of certain plants.

The dropping of a letter or syllable from the beginning of a word; e. g., cute for acute.

Shortened by dropping a letter or a syllable from the beginning of a word; as, an aphetic word or form. -- A*phet"ic*al*ly, adv. New Eng. Dict.

An oily liquid derived from parsley.

rical aberration; -- said of a lens. Aplanatic focus of a lens (Opt.), the point or focus from which rays diverging pass the lens without spherical aberration. In certain forms of lenses there are two such foci; and it is by taking advantage of this fact that the best aplanatic object glasses of microscopes are constru…

Freedom from spherical aberration.

Devoid of air; free from air; as, an apneumatic lung; also, effected by or with exclusion of air; as, an apneumatic operation.

A prefix from a Greek preposition. It usually signifies from, away from, off, or asunder, separate; as, in apocope (a cutting off), apostate, apostle (one sent away), apocarpous.

Free from chromatic and spherical aberration; -- said esp. of a lens in which rays of three or more colors are brought to the same focus, the degree of achromatism thus obtained being more complete than where two rays only are thus focused, as in the ordinary achromatic objective. --Ap`o*chro"ma*tism (#), n.…

An alkaloid, , prepared from codeine. In its effects it resembles apomorphine.