ac·ro·cra·ni·al
| \ ¦a-krō-¦krā-nē-əl \
variants:
or acrocranic \
¦a-krō-¦krā-nik
\
Definition of acrocranial
of a skull
: being pyramidal or pointed at the top with a breadth-height index of 98 or above
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“Acrocranial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acrocranial. Accessed 16 Sep. 2021.
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The first known use of acrocranial was in 1920
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