Cyrtocone

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A curved (cyrtoconic) form of the young shell that succeeds the more primitive orthocone in nautiloid cephalopods.

Etymology

From cyrto- + cone.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.