ˈgateway ˌdrug BrE AmE noun [countable]
a drug such as ↑ cannabis which is not very dangerous, but which some people believe leads to the use of more dangerous drugs such as ↑ heroin
ˈgateway ˌdrug BrE AmE noun [countable]
a drug such as ↑ cannabis which is not very dangerous, but which some people believe leads to the use of more dangerous drugs such as ↑ heroin
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012