English edit

Etymology edit

sphero- +‎ conic

Noun edit

spheroconic (plural spheroconics)

  1. (geometry) A non-plane curve formed by the intersection of the surface of an oblique cone with the surface of a sphere centred at the cone's vertex.

Adjective edit

spheroconic

  1. (malacology, of a shell or fossil) Having a coiled shell approaching a sphere in shape.

Further reading edit