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starting time, <of an arc discharge lamp>
period of time required for an arc discharge lamp to develop an electrically stable arc discharge, the discharge lamp being operated under specified conditions and the time being measured from the moment its circuit is energized
Note 1 to entry: This entry was numbered 845-07-69 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-1263 in CIE S 017:2011.