trade barrier
noun [ C, usually plural ]
ECONOMICS, COMMERCE ukussomething such as an import tax or a limit on the amount of goods that can be imported that makes international trade more difficult or expensive:
trade barriers on/to sth Trade barriers on leather handbags are usually limited to high tariffs.
The rich countries have erected trade barriers.
break/knock/tear down trade barriers We are calling on other nations to knock down trade barriers.
reduce/end/lift trade barriers The talks aim to get rich countries to lower trade barriers.
foreign/global/international trade barriers
falling/high/low trade barriers