A believer or advocate of racialism, the ideology of racial nationalism. / (UK, dated) A racist.

Alternative form of nonracist

Alternative form of nonracist

The competition between nations in the field of space exploration.

A form of rowing race in which a number of boats chase each other in single file; each boat attempts to catch the boat in front without being caught by the boat behind.

A radar system capable of detecting, tracking and discriminating a large number of targets simultaneously

(mathematics, physics) A function which specifies the average density of atoms, molecules etc in three dimensions from a given point.

plural of racket / (with "the") Organized crime.

The game of racquets.

(of clothing, US) ready-made in a range of standard sizes