ˈrhythm ˌmethod BrE AmE noun [singular]
a method of ↑ birth control which depends on having sex only at a time when the woman is not likely to become ↑ pregnant
ˈrhythm ˌmethod BrE AmE noun [singular]
a method of ↑ birth control which depends on having sex only at a time when the woman is not likely to become ↑ pregnant
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012