Word of the day

Lemniscate (noun, maths.) A closed plane curve of two symmetrical loops meeting at a node.  In algebraic geometry, a lemniscate may describe any of several figure-eight or similar shaped curves.

Originating 18th century, from the latin lemniscatus meaning adorned with ribbons.

Characteristic examples include the symbol for infinity or some representations of a Möbius strip.

c. Adam Pekalski
Infinity bookcase by Dutch artist Job Koelewijn

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