
Definition of Infinite series
1. Noun. (analysis) A sum with a countably infinite number of ordered summands; the sum itself is formally defined as the limit of the partial sums, if it exists. ¹
¹ Source: wiktionary.com

1. Noun. (analysis) A sum with a countably infinite number of ordered summands; the sum itself is formally defined as the limit of the partial sums, if it exists. ¹
¹ Source: wiktionary.com