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A meteor appearing to radiate from a point in the constellation Andromeda, -- whence the name.

Containing no liquid; -- said of kind of barometer. Aneroid barometer, a barometer the action of which depends on the varying pressure of the atmosphere upon the elastic top of a metallic box (shaped like a watch) from which the air has been exhausted. An index shows the variation of pressure.

r less conventionalized, used to decorate and sometimes to strengthen an angle. -- Angle meter, an instrument for measuring angles, esp. for ascertaining the dip of strata. -- Angle shaft (Arch.), an enriched angle bead, often having a capital or base, or both. -- Curvilineal angle, one formed by two curved lines.…

Of or pertaining to an anthracometer.

The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture.

rom, but not necessarily opposed to, true or real); seeming; as the apparent motion or diameter of the sun. To live on terms of civility, and even of apparent friendship. Macaulay. What Berkeley calls visible magnitude was by astronomers called apparent magnitude. Reid. Apparent horizon, the circle which in a level pla…

Of or pertaining to the satiric Greek poet Archilochus; as, Archilochian meter.

The unit of superficial measure, being a square of which each side is ten meters in length; 100 square meters, or about 119.6 square yards.

Pertaining to, or measured by, an areometer.

from internal pressure, flows spontaneously like a fountain. They are usually of small diameter and often of great depth.

n persons, called assignees, for the benefit of creditors. To assign dower, to set out by metes and bounds the widow's share or portion in an estate. Kent.

n whom it is vested for the benefit of creditors. Assignment of dower, the setting out by metes and bounds of the widow's thirds or portion in the deceased husband's estate, and allotting it to her.

a pair of magnetic needles so mounted as to be nearly or quite astatic, as in some galvanometers.

tion of a point or position in a series, or of degree, rate, or value; as, with the thermometer at 80º; goods sold at a cheap price; a country estimated at 10,000 square miles; life is short at the longest.

ain physical measurements calculations; conventionally, that pressure under which the barometer stands at 760 millimeters, at a temperature of 0º Centigrade, at the level of the sea, and in the latitude of Paris. Sir W. Thomson.

ica or other church. The name was extended in the Middle Ages to the open churchyard or cemetery.

fferent parts of the country (at Paris, 0.95 of an English ell); -- now superseded by the meter.

Aurora borealis (, i. e., northern daybreak; popularly called northern lights. A luminous meteoric phenomenon, visible only at night, and supposed to be of electrical origin. This species of light usually appears in streams, ascending toward the zenith from a dusky line or bank, a few degrees above the northern horizon…

orizon (or other circle considered with reference to the sphere on which it lies), the diameter of the sphere which is perpendicular to the plane of the circle. Hutton. -- Axis of the Ionic capital (Arch.), a line passing perpendicularly through the middle of the eye of the volute. -- Neutral axis (Mech.), the line o…

he hearth. [U.S.] There was first a backlog, from fifteen to four and twenty inches in diameter and five feet long, imbedded in the ashes. S. G. Goodrich.