spheroconic
English
Etymology
sphero- + conic
Noun
spheroconic (plural spheroconics)
- (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
- (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.