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An interval of time during which a characteristic, often regularly repeated event or sequence of events occurs: Sunspots increase and decrease in intensity in an 11-year cycle.
(noun)
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A single complete execution of a periodically repeated phenomenon: A year constitutes a cycle of the seasons.
(noun)
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A periodically repeated sequence of events: the cycle of birth, growth, and death; a cycle of reprisal and retaliation.
(noun)
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The orbit of a celestial body.
(noun)
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A long period of time; an age.
(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.