singularity

singularity [siŋ΄gyə ler′ə tē]

n.

pl. singularities [ME singularite < OFr < LL singularitas]

1. the condition or quality of being singular

2. a unique, distinct, or peculiar feature or thing

3. Physics a point or region at the center of a black hole, where, it is theorized, the force of gravity compresses an object such that it has infinite density and almost no volume