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Từ điển WordNet v3.1 - WordNet Dictionary
belemnite
a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae
• Derivationally related forms:
belemnitic
• Hypernyms:
fossil
• Member Holonyms:
Belemnitidae, family Belemnitidae
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