Definition of phragmocone in English:

phragmocone

(also phragmacone)

noun

Zoology
  • The chambered part of the shell in some cephalopods; especially the conical chambered internal shell of a belemnite.

Origin

Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist. From phragm- + -o- + cone.

Pronunciation

phragmocone

/ˈfraɡməkəʊn/