Share this entry

Share this page

encephalization

Line breaks: en|ceph¦al|iza¦tion
Pronunciation: /ɛnˌsɛf(ə)lʌɪˈzeɪʃ(ə)n
 
/
(also encephalisation)

Definition of encephalization in English:

noun

[mass noun] Zoology
An evolutionary increase in the complexity or relative size of the brain, involving a shift of function from non-cortical parts of the brain to the cortex.
Example sentences
  • Moreover, a trend toward increased encephalization within many mammalian taxa is widely recognized.
  • The increased encephalization of the human fetus - the size of its brain and therefore its skull - compared with any other animal has meant that the female pelvis has had to expand even further to ensure safe passage.
  • For example, it is known that major increases in encephalization occurred only after the appearance of early Homo.

Definition of encephalization in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day terpsichorean
Pronunciation: ˌtəːpsɪkəˈriːən
adjective
relating to dancing