radar

• Système de détection utilisant des ondes radio pour déterminer la distance, l'angle ou la vitesse d'objets tels que des avions, des navires ou des formations météorologiques.

A noun referring to a detection system that uses radio waves to determine the range, angle, or velocity of objects, such as aircraft, ships, or weather formations.

1. Detection systemB1formalscientific

   A system that uses radio waves to detect the position, speed, and direction of objects such as aircraft, ships, or weather formations.

   radar (système de détection)

   • The airport uses radar to track incoming flights.
   • Radar detected a storm approaching the coast.
   • The ship's radar showed another vessel nearby.

2. Monitoring deviceB1informaltechnical

   A device used in vehicles to detect obstacles or measure speed.

   Détecteur d'obstacles / radar de proximité

   • My car has a parking radar that beeps when I get too close to an object.
   • Police use radar guns to check if drivers are speeding.
   • The submarine's radar system was upgraded last year.