(grammar) A noun (in any specific sense) that has no plural form and is only used with singular verbs. Frequently for mass nouns.

plural of singular matrix

(linear algebra) A square matrix which is not invertible.

(artificial intelligence) The point, resulting from ever-accelerating technological progress, when a sufficient threshold of self-evolving artificial intelligence is reached to result in a superintelligence beyond human conception.

plural of Kurzweil singularity

Synonym of ringularity

A point of infinite positive spacetime curvature because of an infinite gravitational field

plural of ring singularity Synonym of ringularities

plural of technological singularity

A statement that contains only constants and no variables