lemniscate
A mathematical term for a figure-eight or infinity-shaped curve. Also referred to as レムニスケート.
See also: レムニスケート
The lemniscate is also known as Bernoulli's lemniscate.
From 連珠 (れんじゅ, 'connected jewels') + 形 (けい, 'shape'), describing the curve's linked-loop appearance.