also: じゅっかい
noun
ten times
Counts occurrences or repetitions; used with verbs to indicate doing something ten times.
この本を十回読んだ。
I've read this book ten times.
彼は十回も挑戦した。
He tried as many as ten times.
十度 can also mean 'ten times', but is less common and may be confused with 'ten degrees'.
Compound of 十 (ten) and 回 (counter for occurrences). The reading じっかい is a regular sound shift from じゅう + かい, while じゅっかい is a common colloquial variant.