trochoid

English

Etymology

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

Noun

trochoid (plural trochoids)

1. (mathematics) The curve traced by a point on a circle as it rolls along a straight line

Adjective

trochoid (comparative more trochoid, superlative most trochoid)

1. capable of rolling
2. allowing rotation