MI5

MI5 |ˌɛm ˌaɪ ˈfaɪv | (in the UK ) the governmental agency responsible for dealing with internal security and counter-intelligence on British territory. Formed in 1909, the agency was officially named the Security Service in 1964, but the name MI5 remains in popular use. ORIGIN from Military Intelligence section 5.

MI5

MI5 |ɛmʌɪˈfʌɪv | (in the UK ) the governmental agency responsible for dealing with internal security and counter-intelligence on British territory. Formed in 1909, the agency was officially named the Security Service in 1964, but the name MI5 remains in popular use. ORIGIN from Military Intelligence section 5.

MI5

MI5 /èmaɪfáɪv /｟英 ｠Military Intelligence Section 5 (英国軍事情報局第5部 ) 〘国内 英連邦担当; →MI6 〙.