The infinity symbol (∞). / (mathematics) The lemniscate of Bernoulli / (mathematics) Any of a variety of quartic functions producing similar figure-of-eight closed curves.

plural of lemniscate

Of or pertaining to the lemniscus / (anatomy) Describing a sensory pathway that conducts impulses of touch etc to the cortex

(mathematics) Any closed curve described by a Cartesian equation of the form (x²+y²)²=2a²(x²-y²).

plural of lemniscate of Bernoulli