system administration; the work of a sysadmin

(biology) Capable of, or taking place by, alternate contraction and dilatation. / (music) Of Ancient Greek music: having a depressing influence.

plural of nominative type system

plural of name-based type system

(software) Synonym of nominative type system

(programming) A major type system where compatibility and equivalence of data types are determined by explicit declarations or the names of the types.

plural of nominal type system

(software) Synonym of nominative type system

(pathology) A systemic autoimmune disease (or autoimmune connective tissue disease), where the immune system attacks the body's cells and tissue and causes inflammation and tissue damage.

(algebra) A set of algebraic structures (which are part of a concrete category; e.g., groups) and a set of morphisms between them (e.g., group homomorphisms) which all together form a small category which is the image of a contravariant functor whose domain is a directed poset.