departed.

APOGEE. That point of the moon's orbit which is furthest from the earth;
the opposite of _perigee_. The _apogee_ of the sun is synonymous with
the _aphelion_ of the earth. The word is also used as a general term to
express the greatest distance of any heavenly body from the earth.

A-POISE. Said of a vessel properly trimmed.

APOSTLES. The knight-heads or bollard timbers, where hawsers or heavy
ropes are belayed.

APOTOME. The difference of two incommensurable mathematical quantities.

APPALTO. The commercial term for a monopoly in Mediterranean ports.

APPARATUS. Ammunition and equipage for war.

APPAREL. In marine insurance, means the _furniture_ or appurtenances of
a ship, as masts, yards, sails, ground gear, guns, &c. More
comprehensive than _apparatus_.

APPARELLED. Fully equipped for service.

APPARENT. In appearance, as visible to the eye, or evident to the mind,
which in the case of astronomical motions, distances, altitudes, and
magnitudes, will be found to differ materially from their real state,
and require correcting to find the true place.

APPARENT EQUINOX. The position of the equinox as affected by nutation.

APPARENT HORIZON. _See_ HORIZON.

APPARENT MOTION. The motion of celestial bodies as viewed from the
earth.

APPARENT NOON. The instant that the sun's centre is on the meridian of a
place.

APPARENT OBLIQUITY. The obliquity of the ecliptic affected with
nutation.

APPARENT PLACE OF A STAR. This is the position for any day which it
seems to occupy in the heavens, as affected with aberration and
nutation.

APPARENT TIME. The time resulting from an observation of the sun--an
expression _per contractionem_ for apparent solar time.

APPARITION. A star or planet becoming visible after occultation.
_Perpetual apparition_ of the lesser northern circles, wherein the stars
being above the horizon, never set.

APPEARANCE. The first making of a land-fall: formerly astronomically
used for phenomenon and phase. The day of an officer's first joining a
ship after his being appointed.

APPLE-PIE ORDER. A strange but not uncommon term for a ship in excellent
condition and well looked to. Neat and orderly. Absurdly said to be a
corruption of _du pol au pied_.

APPLICATE. The ordinate, or right line drawn across a curve, so as to be
bisected by its diameter.

APPLICATION. A word of extensive use, for the principles of adjusting,
augmenting, and perfecting the relations between scie