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phragmocone

Noun CEFR C1

Definitions

The chambered portion of the shell of certain cephalopods, divided by septa into camerae.

Examples

“This ability to continuously add⟳ new buoyancy chambers to their phragmocones allowed ancient cephalopods to reach⟳ truly stupendous sizes.”

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
See all C1 English words →

See also

phragmoplast phragmosis phragmosome phragmospore phragmoteuthid phrasal

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