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)

Among the thirty-two men the extremes of cephalic index are 91.48 and 67.48.

From The Bontoc Igorot by Jenks, Albert Ernest

Head form is most conveniently expressed by means of the cephalic index, that is, the ratio of breadth to length.

From Applied Eugenics by Popenoe, Paul

The data for the women were: stature 1486, arm-reach 1491, nasal index 85.7 to 108.8, average 99.7, cephalic index 78.59.

From The Negrito and Allied Types in the Philippines and The Ilongot or Ibilao of Luzon by Barrows, David Prescott

The average cephalic index is 80 ranging from 74.7 to 86.8.

From Man, Past and Present by Haddon, Alfred Court