circle

Summary

circle is a shape^[1]. circle has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[2]

Key Facts

• circle's instance of is recorded as shape^[3].
• circle's instance of is recorded as separator^[4].
• circle's instance of is recorded as sign^[5].
• circle is a type of anallagmatic curve^[6].
• circle is a type of Ribaucour curve^[7].
• circle is a type of sinusoidal spiral^[8].
• circle is a type of locus^[9].
• circle is a type of analytic manifold^[10].
• circle is a type of ellipse^[11].
• circle is a type of rose^[12].
• circle is a type of hypersphere^[13].
• circle is a type of curve of constant width^[14].
• circle is a type of Zindler curve^[15].
• circle is a type of generalised circle^[16].
• circle is a type of conic section^[17].
• circle is a type of geometric primitive^[18].
• circle is a type of geometric shape^[19].
• circle is part of sphere^[20].
• circle is part of disk^[21].
• circle's Commons category is recorded as Circle geometry^[22].
• circle's Unicode character is recorded as ⭕^[23].
• circle's Unicode character is recorded as ⚪^[24].
• circle's Unicode character is recorded as 🔾^[25].
• circle's Unicode character is recorded as 🔿^[26].
• circle's topic's main category is recorded as Category:Circle geometry^[27].

Body

Definition and Type

Recorded instance of include shape^[3], separator^[4], and sign^[5]. Recorded subclass of include anallagmatic curve^[6], Ribaucour curve^[7], sinusoidal spiral^[8], locus^[9], analytic manifold^[10], and ellipse^[11].

Use and Application

Part of include sphere^[20], an UCUM constant^[28] and disk^[21], a geometric shape^[29].

Influence

Things named for circle include Yuen Chau Tsai^[30], a former island^[31], in People's Republic of China^[32]; circle graph^[33], an intersection class of graphs^[34]; gyrolite^[35], a mineral species^[36]; Jigglypuff^[37], a fairy-type Pokémon^[38]; pi^[39], a transcendental number^[40]; and squircle^[41], a shape^[42].

Why It Matters

circle has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[2] circle is known by 19 alternative names across languages and contexts.^[43]

Entities named for circle include Yuen Chau Tsai^[30], a former island^[31], in People's Republic of China^[32]; circle graph^[33], an intersection class of graphs^[34]; gyrolite^[35], a mineral species^[36]; Jigglypuff^[37], a fairy-type Pokémon^[38]; pi^[39], a transcendental number^[40]; and squircle^[41], a shape^[42].