noun Etymology: Greek trochoeidēs like a wheel, from trochos wheel Date: circa 1704 the curve generated by a point on the radius of a circle or the radius extended as the circle rolls on a fixed straight line, ~al adjective
TROCHOID
Meaning of TROCHOID in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012