Noun

(-)

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.

(geology) The process of separation of cooling magma into various rock types.

(calculus) The process of determining the derived function of a function.

Noun

(en noun)

An advocate, supporter and/or practitioner of (social) integration, usually aiming for (more) equality.

*{{quote-news, year=2008, date=January 4, author=David J. Garrow, title=Early Warriors in the Fight for Racial Equality, work=New York Times citation

, passage=Instead the legal confrontation took place in the 1950s, when the Southern allegation “that integrationists were Communists” carried far greater resonance than it would have a decade earlier, and when “the power of the left to implement desegregation” ? as Ms. Gilmore imagines it ? no longer existed. }}