cycloid in English
- cycloid⇄adj. 1. like a circle; somewhat circular.
2a. somewhat circular, with smooth edges and concentric striations. Certain fishes have cycloid scales.
b. having cycloid scales.
Ex. a cycloid fish.
3. of or having cyclothymia. - cycloid⇄cycloid, adjective, noun.
- cycloid⇄noun 1. (Geometry.) a curve traced by a point on the circumference or on a radius or a prolonged radius of a circle when the circle is rolled along a straight line and kept in the same plane.
2. a cycloid fish.
3. a cyclothymic person.