cusp

• Nom désignant une pointe aiguë, un sommet ou une saillie, souvent utilisé en géométrie, en anatomie ou au sens figuré pour décrire un point critique de transition.

A noun referring to a pointed end, tip, or projecting point, often used in geometry, anatomy, or figuratively to describe a critical point of transition.

1. B2formal

   A point of transition between two different states or periods.

   point de bascule

   • We are on the cusp of a major technological breakthrough.
   • She was born on the cusp between two zodiac signs.
   • The country is on the cusp of economic recovery.

   Synonymesbrinkjuncturethresholdturning pointverge

2. C1formal

   A pointed end where two curves meet, such as on a tooth or a leaf.

   Pointe (extrémité pointue)

   • The dentist examined the cusp of the molar.
   • The leaf has a sharp cusp at its tip.
   • The cusp of the crescent moon was clearly visible.

   Synonymesapexpointtip