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To occur in a successive manner: day alternating with night.
(verb-intransitive)
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To act or proceed by turns: The students alternated at the computer.
(verb-intransitive)
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To pass back and forth from one state, action, or place to another: alternated between happiness and depression.
(verb-intransitive)
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Electricity To reverse direction at regular intervals in a circuit.
(verb-intransitive)
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To do or execute by turns.
(verb-transitive)
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.