Meanings
verbcast out nines (third-person singular simple present casts out nines, present participle casting out nines, simple past and past participle cast out nines)
present singular third person casts out nines · participle present casting out nines
- arithmeticTo apply a procedure for verifying whether an arithmetic operation is probably correct or certainly incorrect using modulo characteristics of the digit 9.
Translations
Bulgarian сверявам, сверя
- сверявам (sverjavam)verification of an arithmetic operation
- сверя (sverja)verification of an arithmetic operation
Catalan prova del nou
- prova del nouverification of an arithmetic operation
Dutch negenproef
- negenproefverification of an arithmetic operation
French preuve par neuf
- preuve par neufverification of an arithmetic operation
German Neunerprobe
- Neunerprobeverification of an arithmetic operation
Italian prova del nove
- prova del noveverification of an arithmetic operation
Portuguese fazer a prova dos nove
- fazer a prova dos noveverification of an arithmetic operation
Spanish prueba del nueve
- prueba del nueveverification of an arithmetic operation
Cite this entry
APA
cast out nines. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/cast%20out%20nines
MLA
“cast out nines.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cast%20out%20nines. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “cast out nines,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/cast%20out%20nines.
Source: cast out nines on Wiktionary, CC BY-SA 4.0.