The state of things being similar or identical.
A point of resemblance; a similarity.
The state of being conforming, of complying with a set of rules, with a norm or standard.
The ideology of adhering to one standard or social uniformity.
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.