Alternative form of ZW system

(mathematics) A system of iterated functions used to construct fractals

(zoology) The hydraulic system found in the bodies of all echinoderms, which allows for a continuous flow of water through canals to the tube feet, and performs a range of body functions.

(transport, space science, historical) A 1960s-era design program of the United States Air Force.

(zoology) A saucer-shaped depression surrounded by tracks, dug by the male kakapo to enhance its booming mating call.

The tendency of small, elegant, and successful systems to be succeeded by overengineered, bloated systems, due to inflated expectations and overconfidence.

plural of second-system syndrome

plural of second-system effect

Synonym of second-system effect

Synonym of Dewey Decimal Classification