Index of English words, starting with "cy"

(1) - Cycloid (n.) One of the Cycloidei.
(2) - Cycloid (a.) Of or pertaining to the Cycloidei.
(3) - Cycloid (n.) A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane.

(1) - Cycloidal (a.) Pertaining to, or resembling, a cycloid; as, the cycloidal space is the space contained between a cycloid and its base.

(1) - Cyclometer (n.) A contrivance for recording the revolutions of a wheel, as of a bicycle.

(1) - Cyclone (n.) A violent storm, often of vast extent, characterized by high winds rotating about a calm center of low atmospheric pressure. This center moves onward, often with a velocity of twenty or thirty miles an hour.