discontinuity

(dis′kän tə no̵̅o̅ə tē, -nyo̵̅o̅-)

noun pl. discontinuities

  1. lack of continuity or logical sequence
  2. a gap or break
  3. Math. a value of the independent variable x of a mathematical function f(x) at which this function is not continuous

Origin: ML discontinuitas: see discontinue & -ity

See discontinuity in American Heritage Dictionary 4

noun pl. dis·con·ti·nu·i·ties
  1. Lack of continuity, logical sequence, or cohesion.
  2. A break or gap.
  3. Geology A surface at which seismic wave velocities change.
  4. Mathematics
    a. A point at which a function is defined but is not continuous.
    b. A point at which a function is undefined.

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