The act of differentiating.
The act of distinguishing
or describing a thing, by giving its different, or specific
difference; exact definition or determination.
The gradual formation or
production of organs or parts by a process of evolution or
development, as when the seed develops the root and the stem, the
initial stem develops the leaf, branches, and flower buds; or in
animal life, when the germ evolves the digestive and other organs and
members, or when the animals as they advance in organization acquire
special organs for specific purposes.
The supposed act or
tendency in being of every kind, whether organic or inorganic, to
assume or produce a more complex structure or functions.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
