singularity
noun
[ sɪŋɡjʊˈlarɪti ]
• the state, fact, quality, or condition of being singular.
• "he believed in the singularity of all cultures"
• a point at which a function takes an infinite value, especially in space–time when matter is infinitely dense, such as at the centre of a black hole.
• a hypothetical moment in time when artificial intelligence and other technologies have become so advanced that humanity undergoes a dramatic and irreversible change.
• "maybe the singularity just happened, and we didn't notice"
Origin:
Middle English: from Old French singularite, from late Latin singularitas, from singularis ‘alone (of its kind)’ (see singular).