lat·​er·​al·​i·​za·​tion | \ ˌla-tə-rə-lə-ˈzā-shən, ˌla-trə-\

Definition of lateralization

: localization of function or activity on one side of the body in preference to the other

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Other Words from lateralization

lateralize \ ˈla-​tə-​rə-​ˌlīz , ˈla-​trə-​ \ transitive verb

Examples of lateralization in a Sentence

Recent Examples on the Web

What the researchers observed was a significant change in the test sharks' lateralization, which is a brain function observed across many species that essentially relegates certain processes to one side of the brain or the other. Eleanor Hildebrandt, Popular Mechanics, "Climate Changes Is Rewiring Sharks' Brains," 3 Dec. 2018 Most researchers believe that lateralization explains how handedness arises, including our consistent 9-1 right-handedness ratio. Gemma Tarlach, Discover Magazine, "Was Science Wrong About Being Right?," 18 May 2018

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

First Known Use of lateralization

1820, in the meaning defined above

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Last Updated

27 Dec 2018

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Time Traveler for lateralization

The first known use of lateralization was in 1820

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More Definitions for lateralization


variants: also British lateralisation \ ˌlat-​ə-​rə-​lə-​ˈzā-​shən, ˌla-​trə-​lə-​ \

Medical Definition of lateralization

: localization of function or activity (as of verbal processes in the brain) on one side of the body in preference to the other

Other Words from lateralization

lateralize also British lateralise \ ˈlat-​ə-​rə-​ˌlīz, ˈla-​trə-​ˌlīz \ transitive verb lateralized also British lateralised; lateralizing also British lateralising

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