(Internet) A unique, case-insensitive name that identifies a realm of administrative autonomy, authority or control within the Internet.

(law, US) The right of a government over the private property within its jurisdiction. Usually invoked to compel land owners to sell their property in preparation for a major construction project such as a freeway.

(computing, .NET) An isolated context, with its own virtual address space, in which an application runs, analogous to a process in an operating system.

(mathematics, physics) The set of values, representing time, over which a function dependent on time is defined.

(physics) An interface separating magnetic domains. / (astrophysics) A two-dimensional singularity hypothesized in string theory.

(computer science) In the context of thread synchronization, a collection of contexts and objects that share a single lock.

(logic) In predicate logic, an indication of the relevant set of entities that are being dealt with by quantifiers.

Within a conceptual metaphor, the conceptual domain from which metaphorical expressions are drawn.

Within a conceptual metaphor, the conceptual domain that we try to understand in terms of source domain.

(metadata) The set of allowed values for a data element.