(mathematics) Able to be inscribed in a circle; able to be circumscribed.

(economics) A type of unemployment explained by the demand for labor going up and down with the business cycle.

(geometry) A quadrilateral whose vertices all intersect a single circle.

(biochemistry, genetics) Any nucleotide in which the phosphate group is bonded to two hydroxyl groups on the same sugar

(historical) The chorus that performed the songs and dances of the dithyrambic odes at Athens, dancing round the altar of Bacchus in a circle.

(historical) Any of certain epic poets who followed Homer, and wrote only about the Trojan war and its heroes. / (by extension) Any of a coterie of poets writing on one subject.

plural of cyclic poet

(group theory) A group generated by a single element.

plural of cyclic chorus

plural of cyclic number