We found one dictionary that defines the word indefinite sum or number:

Miscellaneous (1 matching dictionary)

1. Encyclopedia of Graphic Symbols (No longer online)

▸ Words similar to indefinite sum or number ▸ Usage examples for indefinite sum or number ▸ Idioms related to indefinite sum or number ▸ Wikipedia articles (New!) ▸ Words that often appear near indefinite sum or number ▸ Rhymes of indefinite sum or number ▸ Invented words related to indefinite sum or number