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encephalization

Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Increase in the ratio of brain mass to body mass during the evolution of a species or other taxonomic group. Higher degrees of encephalization are generally correlated with higher degrees of intelligence.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology the amount of brain mass exceeding that related to an animal's total body mass.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From encephalize- + -ation.

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