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Definition of Security Service noun from the Oxford Advanced Learner's Dictionary

Security Service

noun
 
/sɪˈkjʊərəti sɜːvɪs/
 
/sɪˈkjʊrəti sɜːrvɪs/
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  1. a government organization that protects a country and its secrets from enemies
aspiration
noun
 
 
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