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Meaning of proostracum | Babel Free

Noun CEFR C1

Definitions

The anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous.

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

proot prootic prooxidant prop prop bet prop blast