Alternative form of cyclo-.

A large body of prose and verse centering around the traditional heroes of Ulaid and the reign of Conchobar mac Nessa. One of the four major cycles of Irish Mythology.

(astronomy, calendar studies) A particular approximate common multiple of the tropical year and the synodic month; in other words, the 19-year period over which the lunar phases occur on the same dates.

(biology) The normal process of viral reproduction involving penetration of the cell membrane, nucleic acid synthesis and lysis of the host cell

(biology) A form of viral reproduction involving the fusion of the nucleic acid of a bacteriophage with that of a host, followed by proliferation of the resulting prophage

(music) That which unfolds a single recurrent interval in a series that closes with a return to the initial pitch class.

(music theory) A sequence of bass notes at intervals of a perfect fifth lower than the previous note. In equal temperament the sequence repeats every twelve tones, forming a cycle.

The natural cycle of evaporation of water from the oceans etc, and subsequent condensation and precipitation as rain and snow

(biochemistry) A series of enzymatic reactions that occurs in all aerobic organisms; it involves the oxidative metabolism of acetyl units, and serves as the main source of cellular energy.

the cycle of water from the oceans to the atmosphere to land and back into the oceans or atmosphere.