brachycranial
Definition
- Adjective:
- Having a short, broad head with a cephalic index of over 80: This is a technical term in anthropology and anatomy describing a specific skull shape where the head is proportionally wider and shorter, as measured by the cephalic index (the ratio of the maximum width of the head to its maximum length, multiplied by 100).
Usage Examples
- Adjective:
- The anthropologist noted that the ancient skull was brachycranial, indicating a population with characteristically short, broad heads.
- Brachycranial features are more common in certain geographic populations.
Advanced Usage
- Technical/Anthropological Context: The term is almost exclusively used in scientific descriptions of human physical variation, osteology, or forensic anthropology.
- The study compared brachycranial and dolichocephalic (long-headed) specimens from the archaeological site.
Variants and Related Words
- Brachycephalic (adj): This is a more common synonym with the same meaning (having a short, broad head). "Brachycranial" is less frequently used.
- Brachycephalic dog breeds, like pugs, have specific health considerations.
- Cephalic Index (n): The numerical measurement (skull width ÷ skull length × 100) used to classify skulls as brachycranial/brachycephalic (over 80), mesocephalic (76-80), or dolichocephalic (under 76).
Synonyms
- Brachycephalic: Having a short, broad head. (This is the primary synonym.)
- Round-skulled: A less technical, descriptive term.
Antonyms
- Dolichocephalic: Having a long, narrow head with a cephalic index under 76.
- Mesocephalic: Having a head of medium proportions with a cephalic index between 76 and 80.
Adjective
-
having a short broad head with a cephalic index of over 80
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