cephalic index

American  

noun

1. Cephalometry, Craniometry. the ratio of the greatest breadth of the head to its greatest length from front to back, multiplied by 100.

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cephalic index British  

noun

1. the ratio of the greatest width of the human head to its greatest length, multiplied by 100

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Etymology

Origin of cephalic index

First recorded in 1865–70

Example Sentences

HEAD-FORM: The cephalic index forms a gradual series with a median of 79.8, all except 5 being brachycephalic.

From The Pagan Tribes of Borneo by Haddon, Alfred C. (Alfred Cort)

HEAD-FORM: The cephalic index forms a gradual series, the median being 83, and therefore shows brachycephaly.

From The Pagan Tribes of Borneo by Haddon, Alfred C. (Alfred Cort)

Of 32 men measured by Jenks the extremes of cephalic index were 91.48 and 67.48.

From Man, Past and Present by Haddon, Alfred Court

The cephalic index of all classes was 84.

From Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy by Ellis, Havelock

If we now divide the maximum breadth by the maximum length and multiply the result by 100 we get what is known as the cephalic index of the skull.

From Rough Stone Monuments and Their Builders by Peet, T. Eric (Thomas Eric)