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.
Definitions for flatflÃ¦t. flat(noun) a level tract of land. the salt flats of Utah. flat(noun) a shallow box in which seedlings are started. flat(noun) a musical notation indicating one half step lower than the note named.