In mathematics:
* Infinity symbol: This is the most common meaning. The lemniscate symbolizes infinity, representing a quantity without limit or end.
* The symbol for "Möbius strip": In topology, this shape represents a one-sided surface with no beginning or end.
* Specific mathematical curves: In geometry, the lemniscate can also represent certain specific curves, such as the lemniscate of Bernoulli.
In other contexts:
* Balance and interconnectedness: The lemniscate can represent the balance between two opposing forces or ideas. It can also represent the interconnectedness of things, as the two loops are continuous and joined.
* The ouroboros: In mythology and symbolism, the ouroboros, a serpent eating its own tail, is often depicted as a lemniscate. It represents cycles, renewal, and the eternal return.
Overall, the meaning of a sideways eight depends on the context in which it is used. It's important to consider the surrounding information to determine its intended interpretation.