(molecular biology) The number of times a sample of DNA must be copied using PCR before the total amount of DNA detectable is above a certain cut-off.

(animation) The frames that compose a walking animation.

plural of cycle sort

(computing theory) A sorting algorithm based on the idea that the permutation to be sorted can be factored into cycles that can be rotated individually to give a sorted result.

(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.

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

(physics) A thermodynamic cycle used as an ideal standard for the comparative performance of heat engines.

plural of CNO cycle

(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 course of stages through which an organism passes from fertilized zygote until maturity, reproduction, and death.