rational horizon | The Sailor's Word-Book

Rational
·noun A rational being. II. Rational ·adj Relating to the reason; not physical; mental. III. Ratio...

Webster's Dictionary of the English Language
horizon
hŏrīzon, ontis, m., = ὁρίζων (sc. κύκλος or ἀήρ). I The horizon (pure Lat. finiens and finitor), M...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Horizon
·noun The epoch or time during which a deposit was made. II. Horizon ·noun The unbroken line separa...

Webster's Dictionary of the English Language
horizon
The apparent or visible circle which bounds our vision at sea; it is that line which is described by...

The Sailor's Word-Book
apparent horizon
See horizon. ...

The Sailor's Word-Book
artificial horizon
An artificial means of catching the altitude of a celestial body when the sea horizon is obscured by...

The Sailor's Word-Book
horizon-glasses
Two small speculums on one of the radii of a quadrant or sextant; the one half of the fore horizon-g...

The Sailor's Word-Book
sensible horizon
See horizon. ...

The Sailor's Word-Book
true-horizon
See horizon. ...

The Sailor's Word-Book
depression, of the horizon
(See dip.) In artillery, the angle below the horizon at which the axis of a gun is laid in order t...

The Sailor's Word-Book
dip of the horizon
The angle contained between the sensible and apparent horizons, the angular point being the eye of t...

The Sailor's Word-Book