- (geol.) A process that takes place in a molten or partially molten
planetary body by which heavier materials sink to the center and lighter
ones rise to the surface. In Earth's case, differentiation resulted
in an iron-nickel
core and a crust and mantle rich in silicate
AND PLANETARY SCIENCE
- (bio.) In embryology, the process
in embryonic development during which unspecialized cells
or tissues become specialized for particular functions. In oncology,
the degree of similarity or difference of tumor cells to the structure
of the organ from which the tumor arose.
- (math.) The method by which the derivative
of a function is found.