A lemniscate; the figure ∞ that represents infinity.

plural of abscissio infiniti

A logical process of elimination by eliminating successively all of the inapplicable cases.

A neckwarmer resembling a scarf, but forming a loop with no ends.

plural of infinity scarf

(mathematics) A type of infinity in the complex plane that has a defined angle θ but an infinite absolute value r.

An asymptotic point in 3-dimensional space, viewed from some point, at which parallel lines appear to meet and which in perspective drawing is represented as a vanishing point.

plural of point at infinity

A device used in phreaking that can be activated remotely, typically for the purpose of eavesdropping on telephone calls.

plural of infinity box