cone

• Substantivo que designa um objeto sólido ou oco que se estreita de uma base circular até um ponto (vértice), ou uma estrutura com essa forma encontrada na natureza ou na técnica; também pode se referir à pinha ou ao fruto do pinheiro.

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.

   Cone

   • 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.

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2. Geometric shapeB1formal

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

   Cone

   • 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.

   Pinha

   • 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.

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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.

   Cone

   • 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.

• Verbo que significa dar forma de cone a algo ou golpear um objeto com um instrumento cônico; também é usado em contextos de gíria.

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.

   Dar forma de cone

   • 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.

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