Alternative form of cyano-

A method of extracting gold and silver from their ores with a solution of sodium cyanide / A process of case-hardening iron or steel by immersing it in molten cyanide and then quenching in water or oil

(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.

(organic chemistry) any salt or ester of cyclamic acid, especially the sodium and calcium salts, which have been used as artificial sweeteners

(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.

(biochemistry) The Krebs cycle.

(inorganic chemistry) A colourless, very poisonous, volatile liquid, HCN, used in the production of dyes, plastics and fumigants; it dissolves in water to form hydrocyanic acid and reacts with bases to form cyanides, and with some organic compounds to form nitriles.

The sound generated by the alternation of current in electronic devices.

(geometry) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line. / (zoology) A fish having cycloid scales.

Resembling a circle; cycloidal. / (zoology, of fish scales) Thin and rounded, with smooth edges. / (psychoanalysis) characterized by alternating high and low moods.