cephalizationn.

/ˌsɛfəlʌɪˈzeɪʃən/

Etymology: Formed as if from a verb *cephalize ( < Greek κεϕαλή + -ize suffix) + -ation suffix: compare specialization.

Biology.

1. A term introduced by Dana to express the degree to which the head is developed and dominates over the rest of the body.

ΘΚΠ

the world > life > the body > external parts of body > head > [noun] > degree of development of

cephalization1864

1864 Q. Jrnl. Sc. 1 523 Mr. James D. Dana has continued the publication of his memoir on the classification of animals, based on the principle of Cephalization.

1880 Libr. Universal Knowl. III. 632 Degrees of cephalization may be illustrated by the subdivisions of the mammalia.

2. A supposed correlation between an increase in the size of the brain and mental development.

ΚΠ

1899 Amer. Anthropologist July 410 These changes represent a process of cephalization, discussed long ago by Dana as manifested chiefly by lower organisms, and more recently by Marsh as manifested chiefly by the lower vertebrates.

1908 Westm. Gaz. 8 July 2/2 What Dubois called ‘the co-efficient of cephalisation’.

Derivatives

ˈcephalized adj. organized with a head, having the head developed.

ΘΚΠ

the world > life > the body > external parts of body > head > [adjective] > having

nolleda1398

cephalized1863

1863 J. D. Dana Man. Geol. 596 Cephalized species.

This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2021).

单词	cephalization
释义	cephalizationn. /ˌsɛfəlʌɪˈzeɪʃən/ Etymology: Formed as if from a verb cephalize ( < Greek κεϕαλή* + -ize suffix) + -ation suffix: compare specialization. Biology. 1. A term introduced by Dana to express the degree to which the head is developed and dominates over the rest of the body. ΘΚΠ the world > life > the body > external parts of body > head > [noun] > degree of development of cephalization1864 1864 Q. Jrnl. Sc. 1 523 Mr. James D. Dana has continued the publication of his memoir on the classification of animals, based on the principle of Cephalization. 1880 Libr. Universal Knowl. III. 632 Degrees of cephalization may be illustrated by the subdivisions of the mammalia. 2. A supposed correlation between an increase in the size of the brain and mental development. ΚΠ 1899 Amer. Anthropologist July 410 These changes represent a process of cephalization, discussed long ago by Dana as manifested chiefly by lower organisms, and more recently by Marsh as manifested chiefly by the lower vertebrates. 1908 Westm. Gaz. 8 July 2/2 What Dubois called ‘the co-efficient of cephalisation’. Derivatives ˈcephalized adj. organized with a head, having the head developed. ΘΚΠ the world > life > the body > external parts of body > head > [adjective] > having nolleda1398 cephalized1863 1863 J. D. Dana Man. Geol. 596 Cephalized species. This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2021). < n.1863
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