singularity
n. C / Un. a single point where something becomes infinite or a unique moment when everything changes. In technology, it often describes the future point when computers become smarter than humans.
n. a point at which a function or physical quantity becomes infinite or undefined, particularly within the context of general relativity or mathematics. Also refers to a hypothetical future point in time when technological growth becomes uncontrollable and irreversible.
Scientists study the singularity at the center of a black hole.
Many futurists believe the technological singularity will occur within this century, fundamentally altering human civilization.
In general relativity, a gravitational singularity represents a location where the curvature of spacetime becomes infinite, effectively causing the laws of physics as we understand them to break down.
From Middle English singularite, via Old French singularité, which in turn carries the Late Latin singulāritās (“singleness”), itself an abstract noun spun off from Latin singulāris (“single”). The modern form is simply singular with the abstract-noun suffix -ity bolted on.
The noun is often used with the definite article 'the' when referring to the hypothetical moment of artificial intelligence surpassing human intelligence.