The structure of Earth can be defined in two ways: by mechanical properties such as rheology, or chemically. Mechanically, it can be divided into lithosphere, asthenosphere, mesospheric mantle, outer core, and the inner core. The interior of Earth is divided into 5 important layers. Chemically, Earth can be divided into the crust, upper mantle, lower mantle, outer core, and inner core.
flat dollar. Definition. A description of an absolute amount, as opposed to an amount determined as a function of another amount, such as a percentage. Most Viewed.
DEFINITION of 'Weak Dollar'. A situation where the U.S. dollar's value is decreasing relative to one or a basket of foreign currencies. Essentially, a weak dollar means that a U.S. dollar can exchange for fewer amounts of foreign currency. The dollar may weaken due to changes in the interest rate and outlook on the U.S. economy's future. Next Up.