backtracking

1. The act of one who, or that which, backtracks; a retracing of one's steps. (countable, uncountable)
2. The usage of a runway as a taxiway, especially at private strips and smaller airports. (countable, uncountable)
3. The act of building all possible solutions to a problem incrementally, abandoning any candidate solution if it cannot lead to a valid solution. (countable, uncountable) · backtracking algorithm

الجمع backtrackings