trochoid

English dictionary entry

Meanings

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

Pronunciation

LL-Q1860 (eng)-Flame, not lame-trochoid.wav

Word forms

trochoid trochoids more trochoid most trochoid

Etymology

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

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