ˈpressure group BrE AmE noun [countable]
a group or organization that tries to influence the opinions of ordinary people and persuade the government to do something ⇨ interest group :
environmental pressure groups
ˈpressure group BrE AmE noun [countable]
a group or organization that tries to influence the opinions of ordinary people and persuade the government to do something ⇨ interest group :
environmental pressure groups
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012