Total reversal of opinion or attitude.
A turn of 180 degrees, typically in a military formation.
To turn 180 degrees, typically in a military formation.
The act of one who, or that which, backtracks; a retracing of one's steps.
The usage of a runway as a taxiway, especially at private strips and smaller airports.
The act of building all possible solutions to a problem incrementally, abandoning any candidate solution if it cannot lead to a valid solution.