A three-dimensional shape formed by two cones joined together at their bases; looks like two ice cream cones stuck together point-to-point.
From bi- (two) and cone (from Latin conus, from Greek konos meaning 'pine cone'). The term is a straightforward geometric descriptor combining the 'two' prefix with a standard shape name.
Bicone-shaped beads have been made for thousands of years and appear in jewelry from ancient Egypt to modern designs—they're geometrically efficient and aesthetically pleasing, which is why humans kept reinventing them.
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