velocity

• Nom désignant la vitesse d'un objet dans une direction donnée, souvent utilisé en physique et en ingénierie ; peut aussi évoquer la rapidité ou l'allure d'un mouvement.

A noun referring to the speed of an object in a given direction, often used in physics and engineering contexts.

1. Speed in a given directionB2formalscientific

   The rate of change of an object's position with respect to time, including direction.

   Vitesse vectorielle

   • The car's velocity was measured at 60 miles per hour north.
   • Velocity is a vector quantity, meaning it has both magnitude and direction.
   • The rocket achieved a velocity of 25,000 kilometers per hour.

2. Rate of changeC1formaltechnical

   The speed at which something happens or changes over time.

   Vitesse d'évolution

   • The velocity of the chemical reaction increased with temperature.
   • Economic velocity refers to the speed at which money circulates.
   • The velocity of data transmission has improved dramatically.

   Synonymesmomentumpacequicknessrapidityratespeedswiftnesstempo