Pronunciation: (sing"gyu-lar'i-tē), [key]
—pl. -ties for 2–4.
1. the state, fact, or quality of being singular.
2. a singular, unusual, or unique quality; peculiarity.
3. Math.See singular point.
4. Astron.(in general relativity) the mathematical representation of a black hole.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.