circumference

• Substantivo que designa a linha curva que delimita um círculo ou o comprimento dessa linha; também pode indicar o contorno ou o perímetro de uma figura curva.

A noun referring to the distance around the edge of a circle or other curved geometric shape.

1. Geometric measurementB1formal

   The distance around the edge of a circle or a round object.

   Comprimento da circunferência

   • The circumference of the Earth is about 40,000 kilometers.
   • To find the circumference of a circle, multiply the diameter by pi.
   • She measured the circumference of the tree trunk with a tape.

   Sinônimosgirthperimeter

2. Boundary or perimeterB2formal

   The outer boundary or edge of an area or object.

   Circunferência

   • The fence marks the circumference of the property.
   • They walked the entire circumference of the lake.
   • The circumference of the park is lined with benches.

   Sinônimosborderboundaryedgemarginoutlineperimeterperipheryrim