spheroconic

English

Etymology

sphero- +‎ conic

Noun

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

spheroconic

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

Further reading
  • spheroconic in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
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