Circle

Definition

Circle is both a noun and a verb. As a noun, it refers to a round plane figure whose boundary (the circumference) is equidistant from a fixed point (the center). It can also refer to a group of people with a shared interest. As a verb, it means to move all the way around something or to draw a round shape.

Parts of Speech

• Noun
• Verb

Pronunciation

American English

• IPA Pronunciation: /ˈsɜrkəl/
• Respelling: SUR-kuhl

British English

• IPA Pronunciation: /ˈsɜːkəl/
• Respelling: SUR-kuhl

Etymology

The word "circle" comes from the Latin term "circulus," a diminutive form of "circus," meaning "ring" or "circle." It entered Middle English via Old French in the 14th century and has maintained its geometric and social connotations.

Derivatives

• Circular (adjective)
• Circulate (verb)
• Circuit (noun)
• Encircle (verb)
• Circlewise (adverb)

Synonyms

• Ring
• Loop
• Cycle

Antonyms

• Line
• Square
• Angle

Usage

The term "circle" is commonly used in mathematics to describe a shape with no corners, as well as in social contexts to describe a group of people with a common interest or connection. For example, "Draw a circle with a compass," or "She is well-known in artistic circles."

Related Terms

• Radius: The distance from the center of a circle to any point on its circumference.
• Diameter: A straight line passing from one side of a circle to the other through the center.
• Circumference: The perimeter or boundary line of a circle.

Detailed Definitions

Noun

• A round plane figure whose boundary is equidistant from the center: Refers to the shape commonly associated with the properties of symmetry and rotation.
  • Example: "The child drew a perfect circle on the paper."
• A group of people sharing a common interest or activity: Describes a social or professional network.
  • Example: "He has a small circle of friends."

Verb

• To move all the way around something: Used to describe the act of making a round or encircling movement.
  • Example: "The plane circled the airport before landing."
• To draw a round shape: Refers to creating a circular figure on a surface.
  • Example: "Please circle the correct answer."