trochoid
Meanings
noun
- The curve traced by a point on a circle as it rolls along a straight line
- An organism or fossil with a trochoid shell (especially one in the gastropod family Trochidae), or the shell itself.
adj
- Capable of rolling.
- Allowing rotation.
- High-spired; conical.
Pronunciation
Word forms
Etymology
From Ancient Greek τροχοειδής (trokhoeidḗs), from τροχός (trokhós, “wheel”) + εἶδος (eîdos, “form, image”).
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