cone

• Objet solide ou creux qui se rétrécit d'une base circulaire vers un sommet, ou structure conique présente dans la nature ou la technique.

A noun referring to a solid or hollow object that tapers from a circular base to a point, or a cone-shaped structure in nature or technology.

1. Cone-shaped objectA2formal

   Any object that has a shape with a circular base and a pointed top.

   Objet en forme de cône

   • The traffic cone was placed on the road to warn drivers.
   • She bought an ice cream cone from the shop.
   • The party hat was shaped like a cone.

   Synonymesconoidpinnaclespiretaper

2. Geometric shapeB1formal

   A three-dimensional shape with a flat circular base and sides that taper to a point.

   Cône (géométrie)

   • The math teacher drew a cone on the board.
   • A cone has one vertex and one circular face.
   • The volume of a cone is one-third of a cylinder's volume.

3. Plant coneB2formalscientific

   A cone-shaped mass of scales or bracts that contains the reproductive structures of certain plants, such as pines.

   Cône (organe reproducteur des conifères)

   • Pine cones fall from the tree in autumn.
   • The cone of the spruce tree contains seeds.
   • Botanists study the cone scales to identify tree species.

   Synonymesstrobilestrobilus

4. Eye cone cellC1formalmedical

   A type of photoreceptor cell in the retina of the eye that is responsible for color vision and functions best in bright light.

   Cône (cellule photoréceptrice de l'œil)

   • Cone cells allow humans to see colors.
   • Damage to the cone cells can cause color blindness.
   • The retina contains millions of cone and rod cells.

• Verbe signifiant donner à quelque chose une forme de cône ou frapper avec un objet conique ; il est également utilisé dans des contextes d'argot.

A verb meaning to shape something into a cone or to hit with a cone-shaped object; also used in slang contexts.

1. Shape into a coneB2formal

   To form or shape something into a cone-like structure.

   Former en cône

   • The potter coned the clay on the wheel.
   • She coned the paper to make a makeshift funnel.
   • The machine cones the metal sheets for industrial use.

   Synonymesnarrowpointsharpentaper