As nouns the difference between terms and postcranium
is that terms is while postcranium is (paleontology) the skeleton posterior to the cranium, or a portion thereof.
terms
English
Noun
(head)
Statistics
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postcranium
English
Noun
(postcrania)
(paleontology) The skeleton posterior to the cranium, or a portion thereof
Derived terms
*postcranial
*postcranially
See also
*(postcrania)