trajectory

trajectoire

Chemin suivi par un objet en mouvement, notamment dans l’air.

En anglais simple : The path something follows as it moves, especially through the air.

• The ball followed a curved trajectory.
• Wind changed the arrow’s trajectory.
• They calculated the rocket’s trajectory before launch.

Comment l'utiliser : the trajectory of something (We measured the trajectory of the ball.)

Synonymes : path, course

Expressions courantes : flight trajectory, trajectory of something, change trajectory, spacecraft trajectory

trajectoire

Suite des états par lesquels passe un système qui évolue au fil du temps.

En anglais simple : The series of states a changing system passes through over time.

• The model predicts the system’s trajectory.
• Different initial states produce different trajectories.
• We plotted the trajectory through phase space.

Expressions courantes : system trajectory, phase trajectory, trajectory through something