cranial index

noun

Definition of cranial index 

: the ratio multiplied by 100 of the maximum breadth of the bare skull to its maximum length from front to back

First Known Use of cranial index

1868, in the meaning defined above

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The first known use of cranial index was in 1868

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cranial index

noun

Medical Definition of cranial index 

: the ratio multiplied by 100 of the maximum breadth of the bare skull to its maximum length from front to back — compare cephalic index

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