Cauchy sequence

noun

Cau·​chy sequence kō-ˈshē- 

ˈkō-shē-

: a sequence of elements in a metric space such that for any positive number no matter how small there exists a term in the sequence for which the distance between any two terms beyond this term is less than the arbitrarily small number

Word History

Etymology

Augustin-Louis Cauchy †1857 French mathematician

First Known Use

circa 1949, in the meaning defined above