ˈtest-tube ˌbaby BrE AmE noun [countable]
a baby that develops from an egg removed from a woman’s body, that is then put back inside the woman to continue developing
ˈtest-tube ˌbaby BrE AmE noun [countable]
a baby that develops from an egg removed from a woman’s body, that is then put back inside the woman to continue developing
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012