Meaning ofdiscontinuityin English

Noun

1. a break or gap in continuity; irregularity
   The data showed a discontinuity in the otherwise smooth curve.
2. a point where a function is undefined (in mathematics)
   In mathematics, a discontinuity occurs where a function is not defined.
3. a subterranean interface (in geology) with changing seismic velocities
   The geologist identified a discontinuity in the seismic velocities of the rock layers.