Dictionary.net

The apparent difference in position of a body (as the sun, or a star) as seen from some point on the earth's surface, and as seen from some other conventional point, as the earth's center or the sun.

The apparent difference in position of a body (as the sun, or a star) as seen from some point on the earth's surface, and as seen from some other conventional point, as the earth's center or the sun.

1. The apparent movement of objects due to movement of the observer. 2. The apparent movement of an object when one eye is closed.

An apparent change in the position of an object caused by change of position in the observer: (astr.) the difference between the apparent and real place of a celestial object.

PARALLACTIC, PARALLACTICAL.

Apparent change of position in a distant body caused by change of place of the observer.

An apparent displacement of an object due to change of an observer's position.

Apparent change in the position of an object, due to a change in the position of the observer; specially the difference in the position of a heavenly body, as seen from the earth's surface, and from the centre of the earth or of the sun.

In celestial bodies, the apparent angular shifting of a heavenly object arising from a change in our point of view; the difference between the apparent place of a heavenly object, as seen by an observer from any station, and its true position as supposed to be seen from the centre of the earth or the centre of the sun.

Any apparent displacement of an object due to change in the observer's position.

An apparent displacement in an object. [Gr.]

n. [Greek] The difference between the position of a body as seen from some point on the earth’s surface, and its position as seen from some other conventional point, as the earth’s centre or the sun.