Definition of recurrence relation in English:

recurrence relation

noun

Mathematics
  • An expression which defines the general member of a series in terms of or as a function of preceding members.

    An example of a series defined by a recurrence relation is the Fibonacci series, 1, 1, 2, 3, 5, 8,., where each number after the first is the sum of the two preceding numbers.

Origin

Early 20th century; earliest use found in Proceedings of the Royal Society of London.