Examlex
A single molecule is always either hydrophobic or hydrophilic, and can never possess (at the same time) a region that is hydrophobic and a region that is hydrophilic.
William H. Seward
An American politician who served as the United States Secretary of State under Presidents Abraham Lincoln and Andrew Johnson, remembered for his purchase of Alaska.
American Empire
Refers to the United States' expansion and exertion of economic, military, and cultural influence around the world.
Natural Process
A sequence of events or phenomena occurring in the natural world, governed by the laws of nature without human intervention.
Economic Expansion
A phase of the business cycle where economic activity and output grow, marked by increases in employment, consumer spending, and production.
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