epicycloid

English

Etymology

Etymology tree

Proto-Indo-European *h₁ep-der.

Proto-Indo-European *h₁épsder.

Proto-Indo-European *h₁épi

Proto-Hellenic *epí

Ancient Greek ἐπί (epí)

Ancient Greek ἐπῐ- (epĭ-)der.

English epi-

English cycloid

English epicycloid

From epi- (“above or outside”) + cycloid.

Pronunciation

• Audio (US):

  (file)

Noun

epicycloid (plural epicycloids)

1. (geometry) The locus of a point on the circumference of a circle that rolls without slipping on the circumference of another circle.

   Synonym: hypocycloid

Derived terms

• epicycloidal

Translations

locus

• Afrikaans: episikloïed
• Czech: epicykloida f
• Finnish: episykloidi
• French: épicycloïde (fr) f
• German: Epizykloide f
• Italian: epicicloide f
• Polish: epicykloida (pl) f
• Portuguese: epicicloide f
• Romanian: epicicloidă (ro) f
• Russian: эпицикло́ида (ru) f (epiciklóida)
• Serbo-Croatian: епициклоида f (epicikloida)
• Spanish: epicicloide f

See also

• cycloid
• epicycle
• roulette
• Spirograph