alternation

noun al·ter·na·tion \ ˌȯl-tər-ˈnā-shən also ˌal- \
|Updated on: 21 Jun 2018

Definition of alternation

1 a : the act or process of alternating or causing to alternate
b : alternating occurrence : succession
3 : the occurrence of different allomorphs or allophones

Recent Examples of alternation from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alternation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of alternation

15th century

in the meaning defined at sense 1a

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ALTERNATION Defined for Kids

alternation

noun al·ter·na·tion \ ˌȯl-tər-ˈnā-shən \

Definition of alternation for Students

: the act, process, or result of taking place by turns
  • alternation of light and dark


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