a long tubular conduit or series of pipes, often underground, with pumps and valves for flow control, used to transport crude oil, natural gas, water, etc., especially over great distances.
the line that separates one country, state, province, etc., from another; frontier line:
You cannot cross the border without a visa.
agreement aimed to promote economic growth; support the creation and retention of jobs; enhance innovation, productivity and competitiveness; raise living standards; reduce poverty in the signatories' countries; and promote transparency, good governance, and enhanced labor and environmental protections.
a law, rule, or other order prescribed by authority, especially to regulate conduct.
a federal law providing for a fundamental reform of the U.S. healthcare and health insurance system, signed by President Barack Obama in 2010: formally called Affordable Care Act or Patient Protection and Affordable Care Act.
a person who flees for refuge or safety, especially to a foreign country, as in time of political upheaval, war, etc.
Islamic State in Iraq and al-Sham (or Islamic State in Iraq and Syria): a radical Sunni Muslim organization whose aim is to restore an Islamic state, or caliphate, in the region encompassing Syria, Lebanon, Israel, Jordan, the Palestinian territories, and southeastern Turkey.
Ecology. the air, water, minerals, organisms, and all other external factors surrounding and affecting a given organism at any time.