cycloid

English

Etymology

cyclo- +‎ -oid

Pronunciation

IPA^(key): /ˈsaɪklɔɪd/

Noun

cycloid (plural cycloids)

(geometry) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line.
- 1726 October 28, [Jonathan Swift], “The Humours and Dispositions of the Laputians Described. […]”, in Travels into Several Remote Nations of the World. […] [Gulliver’s Travels], volume II, London: […] Benj[amin] Motte, […], →OCLC, part III (A Voyage to Laputa, Balnibarbi, Glubbdubdribb, Luggnagg, and Japan), page 20:
  In the firſt Courſe there was a Shoulder of Mutton, cut into an Æquilateral Triangle, a Piece of Beef into a Rhomboides, and a Pudding into a Cycloid.
(zoology) A fish having cycloid scales.

Translations

geometry: locus of a point on the circumference of a rolling circle

Catalan: cicloide f
Czech: cykloida f
Dutch: cycloïde (nl) f
Esperanto: cikloido
French: cycloïde (fr) f
German: Zykloide f, Radlaufkurve f
Greek: κυκλοειδής (el) m or f (kykloeidís)
Hungarian: ciklois (hu)
Irish: cioglóideach m, ciorclóideach m
Italian: cicloide f
Occitan: cicloïde f
Polish: cykloida (pl) f
Portuguese: cicloide f
Romanian: cicloidă (ro) f
Russian: цикло́ида (ru) f (ciklóida)
Serbo-Croatian:
Cyrillic: циклои́да f

Roman: cikloída (sh) f
Spanish: cicloide f

zoology: fish with cycloid scales

Adjective

cycloid (not comparable)

Resembling a circle; cycloidal.
(zoology, of fish scales) Thin and rounded, with smooth edges.
(psychoanalysis) characterized by alternating high and low moods.

Translations

resembling a circle

French: cycloïdal (fr)
Greek: κυκλοειδής (el) (kykloeidís)
Irish: cioglóideach, ciorclóideach
Portuguese: cicloide

fish scales: thin and rounded

French: cycloïde (fr)

Derived terms

cycloidal
cycloidal arch
cycloidal engine

Related terms

See also

Spirograph™

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.