hypotrochoid

hypotrochoid

English

WOTD – 6 December 2008

The red curve is a hypotrochoid.

Etymology

hypo- +‎ trochoid

Pronunciation

• (UK) IPA^(key): /ˌhaɪ.pə(ʊ)ˈtɹəʊ.kɔɪd/
• (US) IPA^(key): /ˌhaɪ.poʊˈtɹoʊ.kɔɪd/, /ˌhaɪ.pəˈtɹoʊ.kɔɪd/

• Audio (US)

  (file)

Noun

hypotrochoid (plural hypotrochoids)

1. (geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates inside the perimeter of another circle.

Derived terms

• hypotrochoidal

Translations

geometric curve

Afrikaans: hipotrogoïed Bulgarian: хипотрохоида (hipotrohoida) Chinese: Mandarin: 内旋轮线 (zh) Czech: hypotrochoida Dutch: hypotrochoïde f Finnish: hypotrokoidi French: hypotrochoïde (fr) f Irish: hipeatrocóideach m Italian: ipotrocoide Norwegian: hypotrokoide Polish: hipotrochoida Portuguese: hipotrocoide f Romanian: hipotrohoidă Russian: гипотрохоида (ru) (gipotroxoida) Spanish: hipotrocoide f Tamil: கணிதம். உட்சில்லுரு (kaṇitam. uṭcilluru) Vietnamese: nội trocoit

See also

• hypotrochoid on Wikipedia.Wikipedia
• epitrochoid
• cycloid
• epicycloid
• hypocycloid
• spirograph