(software engineering) A software architectural pattern promoting the production, detection, consumption of, and reaction to events.

Alternative form of archaeological horizon

plural of archaeological horizon

plural of archeological horizon

(archaeology) A common set of artefacts that identifies a culture and is found disseminated widely (usually over a number of sites, but sometimes widely over one site) but restricted to a single stratum; a layer or stratum.

A bridge with abutments at each end shaped as an arch.

the archipelago between mainland Southeastern Asia and Australia, that includes Indonesia, the Philippines, Brunei, East Malaysia and East Timor

(architecture) An arch whose intrados, though apparently straight, has a slightly concave curve upward.

plural of arch bridge

A form of arch in which the intrados is straight, but with its joints drawn radially.