(chemistry) A cycle concerned with the formation of an ionic compound from the reaction of a metal (often a Group I or Group II element) with a halogen or other non-metallic element such as oxygen; used to analyze reaction energies.

(cycle racing) A form of cycling on a specially-designed track, especially, a velodrome

A type of short skin-tight shorts designed for comfort and efficiency when cycling

present participle of power-cycle

present participle of power cycle

(sports) a cycling discipline different from road cycling, mountain biking and cyclocross, for a large part on gravel roads, typically with a dedicated gravel bicycle

(physics, astronomy) A group of nuclear reactions, that involve the interaction of protons with carbon, nitrogen and oxygen nuclei, thought to be the main source of energy in main-sequence stars of greater than 1.4 solar mass.

A power plant that uses both natural gas and steam to have higher efficiency of power generation from the same amount of fuel.

(genetics) A laboratory device in which a polymerase chain reaction is carried out repeatedly in cycles which in turn amplifies the sample DNA segments. The instrument contains a thermal block which contains the DNA samples and can precisely control the internal temperature.

Anything with a cyclic (repetitious) behaviour. Something that cycles between different states. / (astronomy) An orbit that approaches two astronomical bodies on a regular basis.