singularity

singularity

/ˌsɪŋɡjuˈlærəti/

1 ​(formal) the quality of something that makes it unusual or strange

One cannot fail to be struck by the singularity of his sculptures.

2 ​(mathematics, physics) a point at which a mathematical function or physical quantity takes an infinite value, such as at the centre of a black hole, which is infinitely dense

Word Origin

Middle English: from Old French singularite, from late Latin singularitas, from singularis ‘alone (of its kind)’, from singulus, related to simplus ‘simple’.

e.g.

technological singularity いわゆるAIの 「シンギュラリティ」、技術的特異点