ˈbarrier ˌmethod BrE AmE noun [countable]
barrier methods of ↑ contraception involve the use of ↑ condom s etc, which physically prevent the ↑ sperm from reaching the egg
ˈbarrier ˌmethod BrE AmE noun [countable]
barrier methods of ↑ contraception involve the use of ↑ condom s etc, which physically prevent the ↑ sperm from reaching the egg
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012