So as to permit navigation.

plural of navigability

In terms of navigation.

(medicine) A particular anticancer drug

plural of navigation light

(nautical, aviation) one of two or more lights fitted to a ship or aircraft, which indicate position and direction taken, especially important at night. Internationally recognised colours are red on the port side, and green on the starboard side.

(rare) A female navigator.

plural of hyperbolic navigation system

plural of navigatress

plural of Navier-Stokes equation