WordReference Random House Unabridged Dictionary of American English © 2025
chon•dro•cra•ni•um
(kon′drō krā′nē əm)USA pronunciation n., pl. -ni•ums, -ni•a
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(-nē ə).USA pronunciation
- Anatomy, Zoologya braincase composed of cartilage rather than bone, as the skull of sharks and of the vertebrate embryo before ossification.
- chondro- + cranium 1870–75