The angle which the diameter of a heavenly body subtends at any time, varying inversely with its distance. The true is the real diameter, commonly expressed in miles.
·noun A diametral plane. II. Diameter ·noun The length of a straight line through the center of an ...
Webster's Dictionary of the English Language
In geometry, a right line passing through the centre of any circular figure from one point of its ci...
The Sailor's Word-Book
·noun An heir apparent. II. Apparent ·adj Clear or manifest to the understanding; plain; evident; o...
In appearance, as visible to the eye, or evident to the mind, which in the case of astronomical moti...
The angle subtended by half the diameter of a heavenly body; in the cases of the sun and moon it is ...
The position of the equinox as affected by nutation. ...
See horizon. ...
The motion of celestial bodies as viewed from the earth. ...
The instant that the sun's centre is on the meridian of a place. ...
The obliquity of the ecliptic affected with nutation. ...
The time resulting from an observation of the sun an expression per contractionem for apparent solar...
The increase of her apparent diameter occasioned by an increase of altitude: or that which is due to...
This is the position for any day which it seems to occupy in the heavens, as affected with aberratio...