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.
noun, often attributive penÂ·ny \Ëpe-nÄ\. : a coin or a unit of money equal to 1/100 of a dollar. : a coin or a unit of money equal to 1/100 of a British pound. : a British coin used before 1971 that was equal to 1/12 of a shilling.