UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌsɪŋgjʊˈlærəti/US:USA pronunciation: respellingUSA pronunciation: respelling(sing′gyə lari tē)

Inflections of 'singularity' (nnoun: Refers to person, place, thing, quality, etc.): nplplural noun: Noun always used in plural form--for example, "jeans," "scissors.": singularities

WordReference Random House Unabridged Dictionary of American English © 2020
sin•gu•lar•i•ty  (sing′gyə lari tē),USA pronunciation n., pl.  -ties  for 2–4.
  1. the state, fact, or quality of being singular.
  2. a singular, unusual, or unique quality;
  3. MathematicsSee  singular point. 
  4. Physics, Astronomy[Astron.](in general relativity) the mathematical representation of a black hole.
  • Late Latin singulāritās. See singular, -ity
  • Middle English singularite 1300–50

Collins Concise English Dictionary © HarperCollins Publishers::
singularity /ˌsɪŋɡjʊˈlærɪtɪ/ n ( pl -ties)
  1. the state, fact, or quality of being singular
  2. something distinguishing a person or thing from others
  3. something remarkable or unusual
  4. a point at which a function is not differentiable although it is differentiable in a neighbourhood of that point
  5. a hypothetical point in space-time at which matter is infinitely compressed to infinitesimal volume
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