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anti-submarine
anti-submarine adj. 
/ˌantɪˈsʌbməriːn/, /ˌæn(t)iˈsəbməˌrin/, /ˌænˌtaɪˌsəbməˈrin/, /ˌænˌtaɪˈsəbməˌrin/, /ˌæn(t)əˌsəbməˈrin/, /ˌæn(t)əˈsəbməˌrin/
Brit. /ˌantɪsʌbməˈriːn/
, /ˌantɪsʌbməˈriːn//ˌantɪˈsʌbməriːn/U.S. /ˌæn(t)iˌsəbməˈrin/
, /ˌæn(t)iˌsəbməˈrin//ˌæn(t)iˈsəbməˌrin//ˌænˌtaɪˌsəbməˈrin//ˌænˌtaɪˈsəbməˌrin//ˌæn(t)əˌsəbməˈrin//ˌæn(t)əˈsəbməˌrin/ΚΠ
1900 Irish Times 6 Sept. 4/9 While the Admiralty has been pursuing experiments with a submarine vessel, it has also been experimenting with what may be described as an anti-submarine boat.
1919 C. W. Domville-Fife Submarines & Sea Power 80 Those fast vessels required for anti-submarine operations to protect a big surface war fleet.
1942 Ann. Reg. 1941 272 The anti-submarine net guarding the harbour was open.
1993 W. Canada Aviation Sept. 8/2 The Hercules and EH1O1..will replace three fleets..in the SAR and tactical anti-submarine warfare roles.
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