plural of navigator

Quality of being navigable.

So as to permit navigation.

plural of navigability

plural of navigation channel

Practice of calculating one's position and velocity using radio signals transmitted from space satellites as reference.

(nautical) A deeper channel cut into the sea or river bed, to enable larger ships to pass through to a port.

(nautical) Navigation by using the positions of the stars and other heavenly bodies.

(nautical) The farthest point above the mouth of a river that can be navigated by ships. This term can be somewhat subjective on many streams, as this point may vary greatly with the size of the ship being contemplated for navigation. On others it is quite objective, being caused by a waterfall, dam or lock.

the science and technology of determining the position of an aircraft with respect to the surface of the earth and accurately maintaining a desired course