epitrochoid

epitrochoid noun: a geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine.

Image: Sam Derbyshire, CC BY-SA 3.0, via Wikimedia Commons

Noun

epitrochoid (plural epitrochoids)

A geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine

epitrochoid meaning in Tamil, Thai and Vietnamese

epitrochoid in Tamil

மேற்சில்லுரு, புறஞ் சில்லுரு

epitrochoid in Thai

geometric curve: เอพิโทรคอยด์ aypítohkoi

epitrochoid in Vietnamese

geometric curve: êpitrocoit

Forms of epitrochoid

plural	epitrochoids

Origin of epitrochoid

From epi- + trochoid.

Words formed from epitrochoid

epitrochoidal

Questions about epitrochoid

What does epitrochoid mean?: Epitrochoid means a geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine.
What is epitrochoid in Tamil?: Epitrochoid in Tamil is மேற்சில்லுரு, புறஞ் சில்லுரு. See Epitrochoid meaning in Tamil.
What part of speech is epitrochoid?: Epitrochoid is a noun.
What is the plural of epitrochoid?: The plural of epitrochoid is epitrochoids.

Words near epitrochoid in the dictionary

Adapted from Wiktionary: epitrochoid (page history and authors); epitrochoid (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-epitrochoid.wav.

Cite this entry: “epitrochoid.” Word.ws, https://word.ws/epitrochoid. Based on Wiktionary, CC BY-SA 4.0.