Differentiation Dif`fer*en`ti*a"tion, n. 1. The act of differentiating. [1913 Webster]

Further investigation of the Sanskrit may lead to differentiation of the meaning of such of these roots as are real roots. --J. Peile. [1913 Webster]

2. (Logic) The act of distinguishing or describing a thing, by giving its different, or specific difference; exact definition or determination. [1913 Webster]

3. (Biol.) 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. [1913 Webster]

4. (Metaph.) The supposed act or tendency in being of every kind, whether organic or inorganic, to assume or produce a more complex structure or functions. [1913 Webster]

The Collaborative International Dictionary of English. 2000.