liftoff

• Nom désignant le début de l'ascension ou du lancement vertical d'une fusée, d'un vaisseau spatial ou d'un engin similaire depuis sa rampe de lancement.

A noun referring to the initial ascent or vertical launch of a rocket, spacecraft, or similar vehicle from its launching pad.

1. Rocket launchB2formaltechnical

   The initial ascent of a rocket or spacecraft from its launching pad into the air.

   Décollage vertical d'une fusée

   • The rocket's liftoff was scheduled for 6:00 AM.
   • Mission control announced a successful liftoff.
   • The crowd cheered as they watched the liftoff of the space shuttle.

   Synonymesblastofflaunch

   Antonymescrashdescentimpactlandingtouchdown