cranial index
noun
: the ratio multiplied by 100 of the maximum breadth of the bare skull to its maximum length from front to back
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Boas’s finding, which was that the cranial index of children born in America differed from that of children of the same background born in Europe, rocked the field.
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Louis Menand, The New Yorker, 19 Aug. 2019
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Louis Menand, The New Yorker, 19 Aug. 2019
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“Cranial index.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cranial%20index. Accessed 3 Mar. 2025.
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