ceph·​a·​li·​za·​tion ˌse-fə-lə-ˈzā-shən How to pronounce cephalization (audio)
: a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of cephalization was in 1864

Dictionary Entries Near cephalization

Cite this Entry

“Cephalization.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cephalization. Accessed 16 Apr. 2024.

Medical Definition


variants or British cephalisation
: an evolutionary tendency to specialization of the body with concentration of sensory and neural organs in an anterior head

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