Definition of service pack in English:

service pack

Syllabification: serv·ice pack

Entry from US English dictionary

noun

(abbreviation SP)
A periodically released update to software from a manufacturer, consisting of requested enhancements and fixes for known bugs.

Definition of service pack in:

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Word of the day internecine
Pronunciation: ˌɪntəˈniːsʌɪn
adjective
destructive to both sides in a conflict