mission-critical Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “mission-critical” in the English Dictionary

"mission-critical" in Business English

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uk   us   (also mission critical) IT
extremely important or necessary for a ​company, ​activity, etc. to ​operate successfully: A ​smallbusiness may ​store all its mission-critical ​data on one PC. mission-critical ​applications/​systems/​software
(Definition of mission-critical from the Cambridge Business English Dictionary © Cambridge University Press)
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