Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
tempered [ˈtɛmpəd] adj (steel) отпу́щенный
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
temper [ˈtɛmpər]
n (nature) нрав; (mood) настрое́ние; (fit of anger) гневvt (moderate) смягча́ть (смягчи́ть perf)
to be in a temper быть*(impf) в гне́ве
to lose one's temper выходи́ть*(вы́йти*perf) из себя́
to keep one's temper сде́рживаться (сдержа́ться*perf)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.