diameter

• Ligne droite qui passe d'un côté d'un cercle ou d'une sphère à l'autre en passant par son centre, ou longueur de cette ligne.

A straight line passing from one side of a circle or sphere to the other through its center, or the length of such a line.

1. Geometry measurementB1formal

   A straight line passing from one side of a circle or sphere to the other through its center.

   Diamètre (en géométrie)

   • The diameter of the circle is 10 centimeters.
   • Measure the diameter of the pipe before cutting it.
   • The telescope can detect objects with a diameter of less than one kilometer.

2. B1formal

   The width or thickness of a cylindrical or round object.

   diamètre (d'une section ronde)

   • The diameter of the tree trunk is over two meters.
   • The coin has a diameter of 25 millimeters.
   • The diameter of the wire must be precise for the electrical circuit.

   Synonymesbreadththicknesswidth