from The Century Dictionary.

  • noun The straight cone of the young shell in the nautiloid cephalopods, the mature form of which may be either straight (orthoceracone) or curved.


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word orthocone.


  • As I work a lot with sculpey, I learned for example from an accident with the model of an orthocone nautiloid that it can become extremely though when I is baked on higher temperatures.

    BoarCroc James Gurney 2010


Log in or sign up to get involved in the conversation. It's quick and easy.