Word.ws English Dictionary

trochoid

trochoid noun: the curve traced by a point on a circle as it rolls along a straight line.

trochoid: the curve traced by a point on a circle as it rolls along a straight line
Image: Matthew Conroy, Public domain, via Wikimedia Commons

Noun

trochoid (plural trochoids)

  1. The curve traced by a point on a circle as it rolls along a straight line
  2. An organism or fossil with a trochoid shell (especially one in the gastropod family Trochidae), or the shell itself.

Adjective

trochoid (comparative more trochoid, superlative most trochoid)

  1. Capable of rolling.
  2. Allowing rotation.
  3. High-spired; conical.

trochoid meaning in Tamil

trochoid in Tamil

சில்லுரு

Forms of trochoid

Noun
pluraltrochoids
Adjective
comparativemore trochoid
superlativemost trochoid

Origin of trochoid

From Ancient Greek τροχοειδής (trokhoeidḗs), from τροχός (trokhós, “wheel”) + εἶδος (eîdos, “form, image”).

Words formed from trochoid

Questions about trochoid

What does trochoid mean?
Trochoid means the curve traced by a point on a circle as it rolls along a straight line.
What is trochoid in Tamil?
Trochoid in Tamil is சில்லுரு. See Trochoid meaning in Tamil.
What part of speech is trochoid?
Trochoid can be a noun or an adjective.
What is the plural of trochoid?
The plural of trochoid is trochoids.

Words near trochoid in the dictionary

  1. trochleoplasty
  2. trocho-
  3. trochoblast
  4. trochoblasts
  5. trochodendraceous
  6. trochoid
  7. trochoidal
  8. trochoidally
  9. trochoidean
  10. trochoideans
  11. trochoids

Source and license

Adapted from Wiktionary: trochoid (page history and authors); trochoid (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:

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

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