|Amphidromic Point. Point at which cotidal lines meet, and at which there is no range of tide.
Amphidromic Region. Area around an amphidromic point, and in which there is no range of tide.
Amphidromic System. One in which cotidal lines meet at a point.
Amphitrite. In Greek mythology, was wife of Poseidon (Neptune).
Amplitude. The extent of any oscillation, swing or excursion.
Amplitude of Heavenly Body. Value of intercepted arc of horizon between the prime vertical and the vertical circle passing through the body when rising or setting. Measured, in degrees, from east or west point of horizon, and towards the nearer pole.
Share with your friends: