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rha·chit·o·mous
variants:
or less commonly rachitomous \ rəˈkitəməs , (ˈ)ra¦k- \
Definition of rhachitomous
: being, having, or relating to vertebrae with centra of which the parts remain separate, an intercentrum wedge-shaped and ventral, and separate pleurocentra above and behind the intercentra
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