Definition of "discontinuity" in English

noun

1. A lack of continuity, regularity or sequence; a break or gap.

   • structural discontinuity
   • sharp discontinuity
   • detect a discontinuity
   • The data shows a clear discontinuity in temperature around 1990.
   • Geologists noted a discontinuity between the two rock layers.

2. (mathematics) A point in the range of a function at which it is undefined or discontinuous.

3. (geology) a subterranean interface at which seismic velocities change