The act of treating one thing as distinct from another, or of creating such a distinction; of separating a class of things into categories; of describing a thing by illustrating how it is different from something else.
The process of separation of cooling magma into various rock types.
The process of applying the derivative operator to a function; of calculating a function's derivative.
The evolutionary process by which one taxonomic group (species, genus, variety, etc.) becomes distinct from another, or acquires distinct features; the result of such a process: distinctness.
The process of developing distinct components.
The process by which the components of multicellular life (cells, organs, etc.) are produced and acquire function, as when a seed develops the root and stem, and the initial stem develops the leaf, branches, and flower buds.
The setting apart or separation of things or people, as a natural process, a manner of organizing people that may be voluntary or enforced by law.
The separation of people (geographically, residentially, or in businesses, public transit, etc) into racial or other categories (e.g. religion, sex).
The setting apart in Mendelian inheritance of alleles, such that each parent passes only one allele to its offspring.
Separation from a mass, and gathering about centers or into cavities at hand through cohesive or adhesive attraction or the crystallizing process.
The separation of a pair of chromatids or chromosomes during mitosis and meiosis
The separation of people (geographically, residentially, or in businesses, public transit, etc) into various categories which occurs due to social forces (culture, etc).