NOS
n. countable C1 Advanced nos
n. Stands for nitrous oxide system. A system used in cars to give the engine a sudden, powerful burst of speed. It works by adding more oxygen to the fuel so it burns faster.
n. Abbreviation for nitrous oxide system. A performance-enhancing system for internal combustion engines that injects nitrous oxide to increase power output. Often used in the context of automotive racing and tuning.
He hit the NOS button to win the race.
Street racers often install a NOS kit to gain a competitive edge during short sprints.
The driver waited until the final straightaway to engage the NOS, providing the necessary torque to overtake his opponent just before the finish line.