
The property or condition of occurring at frequent intervals.
(noun)

Mathematics &amp; Physics The number of times a specified periodic phenomenon occurs within a specified interval, as:
(noun)

Mathematics &amp; Physics The number of repetitions of a complete sequence of values of a periodic function per unit variation of an independent variable.
(noun)

Mathematics &amp; Physics The number of complete cycles of a periodic process occurring per unit time.
(noun)

Mathematics &amp; Physics The number of repetitions per unit time of a complete waveform, as of an electric current.
(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.