weightlessness

• État ou condition d'un corps qui n'a pas de poids ou dont le poids n'est pas perceptible, notamment lors d'une chute libre ou dans l'espace. Peut aussi désigner le caractère de ce qui est très léger ou sans lourdeur, au sens physique ou figuré.

The property of being comparatively small in weight or having no apparent weight, often experienced in free fall or in space.

indénombrable

1. State of being very lightB2formal

   The quality or condition of having very little weight, being comparatively light.

   légèreté

   • The weightlessness of the new fabric made it perfect for summer clothing.
   • Due to the weightlessness of the materials, shipping costs were minimal.
   • The engineer was impressed by the weightlessness of the carbon fiber component.

   Synonymesairinessinsubstantialitylightnessslightness

   Antonymesgravityweight

2. Zero gravityB2formalscientific

   The condition experienced in free fall or in orbit where the force of gravity is not felt, resulting in a sensation of floating.

   Impesanteur

   • Astronauts train for weightlessness in special parabolic flights.
   • In the weightlessness of space, liquids form into perfect spheres.
   • The effects of prolonged weightlessness on the human body are still being studied.

   Synonymesfree fall